Unlimited Memory: How to Use Advanced Learning Strategies to Learn Faster, Remember More and be More Productive

Unlimited Memory: How to Use Advanced Learning Strategies to Learn Faster, Remember More and be More Productive

by Kevin Horsley

4.5 (12,684)

4.5 stars from 12,684 reviews. One of the highest rated Nonfiction books we track.


$4.99KU50% off peak

Last checked: Jun 9, 2026

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Fans of these authors will like this...

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Perfect for you if...

  • You struggle to focus at work and need practical strategies to reclaim your concentration and stop feeling mentally scattered.
  • You study or learn new material regularly and want to retain more without spending extra hours rereading.
  • You're curious how memory champions actually work and want to apply their methods to your own professional and personal life.

Maybe not for you if...

  • You're looking for a quick fix or expect to transform your memory by reading passively without practising the techniques.
  • You prefer abstract neuroscience explanations over actionable tactics and step-by-step methods.
  • You have no interest in self-improvement and are content with your current productivity and recall abilities.

About this book

Unlimited Memory teaches advanced learning strategies to help readers improve focus, retention, and productivity. Kevin Horsley, who holds a World Memory Record, shares the techniques used by top memory experts to concentrate at will and recall information effectively. The book covers specific methods including how to break habits that impair memory, techniques for mastering attention during stressful situations, strategies for remembering names and numbers, and mental mapping systems for organizing large amounts of information. Horsley explains how to combine long-term and short-term memory to create instant recall for tests and presentations, and describes how using imagination can improve attention and retention. With over 300,000 copies sold, the book has been a Wall Street Journal Best Seller and the #1 memory book on Amazon for more than two years. It has been translated into more than a dozen languages. Horsley is an International Grandmaster of Memory, World Memory Championship medalist, and two-time World Record holder. His work has appeared in major publications and he works as an international speaker and organizational consultant.

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Price History

Kindle price over time. Green zones = periods when the book was free.

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Free$5.00$9.99Mar '21Apr '23Jan '24Feb '26
$1.99$9.99

Currently on sale at $4.99 — 50% off peak. Price has dropped 10 times over the last 5 years. Goes on sale roughly every 174 days.

Sales Rank

Amazon sales rank: lower number = better selling book. #1 is the bestseller.

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#23#18,285#36,547Apr '18Oct '21Dec '23Mar '26

Currently around #27K in the Kindle store — a steady mid-list seller. Sales have softened 79% recently.

Rating & Reviews

Purple line = star rating over time. Blue area = total review count growth.

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3.5★4.3★5.0★May '23Jan '24Jul '24Jun '26RatingReviews

Currently 4.5★ from 12,684 reviews

Gaining approximately 34 new reviews per month. Steady word of mouth growth. Rating has remained stable at 4.5 over the tracking period.

Sale Prediction

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Free$5.00$9.99Mar '21Apr '23Jan '24Feb '26PredictedJun '26

Actual Predicted

This book is currently discounted at $4.99. It typically returns to around $9.99.

Prices shown in USD from Amazon US. We continuously pull new data to improve tracking. If dates look old, it usually means there has been no significant change since the last data point.

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Kevin Horsley

1 book on Vagrant Press

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