Kenji Bowling
See the Library
Four bowling books for bowlers over 50

Release it clean. Strike with less effort. Make your spares.

The drills, checks and practice cards from the channel, written out properly. Each book explains the real cause of a miss in plain English, gives you drills you can do at home or at the lanes, and cites a source for every fact. Each volume carries documented “From Japan” notes: what Japanese players and Japan's bowling culture did, and what it cost them. Nothing here asks you to throw harder.

  • PDF, instant download
  • Large, easy-to-read type
  • Practice cards to keep on your phone
  • 30-day money-back guarantee
See the Library
Kenji, the channel's presenter
Kenji presents the channel. He is a digital, AI-generated character; the books are written in his voice and report what published sources say, each one cited.
The books

The whole Library, or the one miss that costs you most

The Library is the four volumes together and the only place Bowl Easy is sold. Volumes 1 to 3 also stand on their own. Open the contents and two sample pages before you buy.

All four volumes

The Complete Senior Bowling Library

The release, strikes, spares, and Bowl Easy: the volume on a game that asks less of your knees, back, shoulder and hands. Bowl Easy is sold only inside the Library.

$121 $97 Less than the three single books, and the only way to get Bowl Easy Get all four
Cover of Clean Release, Volume 1
Volume 1 · The release

Clean Release

Why the ball hangs on your thumb, drops early or spins without hooking, how to tell which, and how to build a release you can repeat.

  • The one idea behind every bad release: the thumb leaves first, the fingers leave last
  • The thumb hole, grip pressure and the wrist: what to check before you blame your hand
  • Drills for home and for the foul line, and how to read the oil ring on your ball
Contents
  1. Three Bad Releases, One Question
  2. Thumb First, Fingers Last
  3. The Thumb Hole: Size, Pitch, Bevel and Tape
  4. Grip Pressure: Why Squeezing Ruins Everything
  5. Span and Fingers: Conventional or Fingertip
  6. The Wrist: Cupped, Straight, Broken, and What a Support Really Does
  7. The Swing Delivers the Release
  8. Timing at the Line
  9. Behind the Ball or Around It: Rotation and Tilt in Plain Words
  10. Revs and Speed Have to Match
  11. Loft: Laying It Down, Not Dropping or Throwing It
  12. The Flat, Straight Release
  13. Reading the Evidence: Oil Rings, Sounds and the Thumb’s Skin
  14. Practicing the Release at Home and at the Foul Line
  15. Taking It to League Night
  16. When It Is the Ball, Not You
  17. Four Weeks, Day by Day: A Worked Example

Plus 4 practice cards, a one-page checklist, a glossary and 61 cited sources. 210 pages.

Sample pages
Sample page from Clean ReleaseSample page from Clean Release
$27one-time · PDF
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Cover of Easy Strikes, Volume 2
Volume 2 · Strikes

Easy Strikes

Pocket, entry angle, ball speed, surface and lane reading for the bowler who no longer wins with power.

  • What a strike actually is, and what the published studies say about entry angle
  • Ball speed after fifty, the honest cost of a lighter ball, and why surface comes first
  • Oil, targeting, moving your feet, and what the pins you leave are telling you
Contents
  1. What a Strike Actually Is
  2. Entry Angle: What the Studies Say and What They Don’t
  3. Skid, Hook, Roll: The Three Phases
  4. Ball Speed After Fifty
  5. Ball Weight: 16, 15, 14 and Lighter, and the Honest Cost
  6. Surface First
  7. Cover and Core in Plain Words
  8. The Pro Shop Without Getting Sold
  9. Oil: What a House Shot Is and Why It Forgives
  10. Targeting: Boards, Arrows, Breakpoint
  11. Lining Up: Moving Your Feet Toward the Miss
  12. Transition: How the Lane Changes During League Night
  13. What the Pins Tell You
  14. Speed and Loft as Adjustments
  15. Sport Patterns and Tournaments: A Short Honest Look
  16. Looking After the Ball
  17. Putting a Bag Together: One Ball, Two Balls, Three
  18. Four Weeks, Day by Day: A Worked Example

Plus 4 practice cards, a one-page checklist, a glossary and 64 cited sources. 209 pages.

Sample pages
Sample page from Easy StrikesSample page from Easy Strikes
$47one-time · PDF
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Cover of Spare Shooter, Volume 3
Volume 3 · Spares

Spare Shooter

Spare shooting for bowlers over fifty: the corner pins, the systems, the splits worth trying and a routine that holds up under nerves.

  • Where your score really goes, worked out frame by frame
  • The straight shot, the 3-6-9 and 2-4-6 systems, the 10 pin and the 7 pin
  • Which splits to go for, which to take the count on, and a routine for the tenth frame
Contents
  1. Where Your Score Really Goes
  2. Take the Lane Out of It
  3. The Pin Deck as a Map
  4. Cross-Lane Geometry
  5. The 3-6-9 System
  6. The 2-4-6 System and Its Cousins
  7. The 10 Pin
  8. The 7 Pin
  9. Single Pins in the Middle
  10. Clusters, Buckets and Sleepers
  11. Splits Worth Trying
  12. Splits to Take the Count On
  13. The Washout and Other Ugly Leaves
  14. Walking the Line
  15. Eyes, Glasses and Seeing the Target After Fifty
  16. A Routine That Holds Up Under Nerves
  17. Spare Practice That Isn’t Boring
  18. Four Weeks, Day by Day: A Worked Example

Plus 4 practice cards, a one-page checklist, a glossary and 51 cited sources. 208 pages.

Sample pages
Sample page from Spare ShooterSample page from Spare Shooter
$47one-time · PDF
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Cover of Bowl Easy, Volume 4
Volume 4 · Library only

Bowl Easy

A game that asks less of your knees, back, shoulder and hands: warm-up, grip, ball weight and approach for the body you have at fifty and beyond.

  • A warm-up before the first ball, and a ball weight your body can swing
  • A shorter, quieter approach, the slide and the lead knee, and balance at the foul line
  • Hands, knees, back and shoulder: what the published sources say, and when to see a doctor
Contents
  1. What Changes After Fifty, and What Doesn’t
  2. What One Shot Costs
  3. The Warm-Up Before the First Ball
  4. A Ball Weight Your Body Can Swing
  5. A Grip That Asks Less of the Hand
  6. Arthritic Hands and Fingers
  7. Wrist Supports and Gloves
  8. A Shorter, Quieter Approach
  9. The Slide and the Lead Knee
  10. Knees: How Much Bend You Really Need
  11. Back and Posture at the Line
  12. The Shoulder: A Lower Backswing and a Free Swing
  13. Balance at the Foul Line, and Not Falling
  14. Other Ways to Deliver the Ball
  15. Adaptive Options: Handle Balls, Ramps and Bowling Seated
  16. Three Games Without Running Out
  17. Coming Back After a Knee, Hip or Shoulder Operation
  18. The Price of Repetition
  19. Four Weeks, Day by Day: A Worked Example

Plus 4 practice cards, a one-page checklist, a glossary and 70 cited sources. 225 pages.

Sample pages
Sample page from Bowl EasySample page from Bowl Easy
In the Librarynot sold on its own
Get it with the Library
The scorecard

What's inside each book

CountClean ReleaseEasy StrikesSpare ShooterBowl Easy
Pages210209208225
Chapters17181819
Practice cards4444
Cited sources61645170
Price$27$47$47Library only

Page counts include the cover, contents, glossary and the notes listing every source. US Letter pages, large type.

Before you buy

Is this for you?

Probably yes, if…

  • You're past fifty and bowl in a league, or would like to again.
  • You'd rather knock down the same pins with less effort than chase speed and revs.
  • You want the reason behind a fix, not another tip.
  • You've lost some ball speed or grip strength, and the usual advice assumes you haven't.
  • Your knees, back or shoulder don't bend like they used to.

Probably not, if…

  • You want a promise of more strikes or a higher average. These books don't make one.
  • You want to learn the two-handed game, or you want video lessons. These are PDF books for one-handed bowlers.
  • You're looking for "secret" Japanese techniques. Everything here is documented and sourced.
  • You have an injury that makes bending, sliding or swinging painful. See a doctor or physical therapist first.
How you get it

Read it on your phone, tablet or computer

  1. Pay securely. By card or PayPal on the checkout page.
  2. Download right away. Your download page opens as soon as you pay, and the link also arrives by email.
  3. Take the cards to the lanes. Save a screenshot of the practice cards and the checklist on your phone.

30-day money-back guarantee

If a book isn't useful to you, email us within 30 days of buying and we'll refund you in full. No questions, no forms, and you don't need to explain.

Write to hiddensecretsmedialabs@gmail.com

Questions

Common questions

Are these the same as the videos?

No. The videos introduce one idea at a time. The books cover each topic completely, with step-by-step drills, self-checks, practice cards and a source for every fact.

Who is Kenji?

Kenji is a digital, AI-generated character who presents the channel. The books are written in his voice and report what published sources say, each one cited. He is not a certified coach, and the books report no students or personal results.

Is this endorsed by any player, brand or bowling organization?

No. The books are not affiliated with or endorsed by any player, coach, organization or manufacturer. Names are used only to report documented facts, and each one is cited.

Will these books raise my average or take away pain?

No book can promise that, and these don't. They explain why shots go wrong and give you drills and checks to work on it. Bowl Easy shows a warm-up, a grip and an approach that ask less of the body. None of it is medical advice.

Why is Bowl Easy only in the Library?

It is the volume that ties the other three together: the warm-up, the ball weight, the grip and the approach you use for every drill in them. It is sold only as part of The Complete Senior Bowling Library.

Do I need a new ball?

No. Volume 2 explains what ball weight, surface and cover do, who a change helps and who it doesn't. Nothing in the books requires buying anything.

I bowl left-handed. Does it still work?

Yes. The books are written for right-handed bowlers and ask left-handers to mirror each instruction.

I'm in my 60s or 70s. Is this suitable?

It was written for that reader: small changes, short practice sessions and clear safety notes. If you have knee, back, hip, shoulder or heart problems, check with your doctor before changing how you bowl.

What format are the books?

PDF, US Letter size, with large type. They open in any PDF reader on a phone, tablet or computer.

Will my card statement show a strange name?

The charge appears under the name of our checkout provider, shown on the payment page before you pay. If you don't recognize a charge, email us first and we'll sort it out.

How do refunds work?

Email hiddensecretsmedialabs@gmail.com within 30 days of purchase. We refund in full to the original payment method.