
Zip It: The Keep It Shut 40-Day Challenge
by Karen Ehman
4.7 stars from 1,478 reviews. Top 85% of Self Help books we track.
Last checked: Jun 28, 2026
Full price — consider adding to your watchlist for a better deal.
Price range: $1.99 – $12.99
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Fans of these authors will like this...
- Lysa TerKeurst
- Priscilla Shirer
- Beth Moore
Fans of these books will like this...
- Keep It Shut
- The Power of Praying Scripture
- Praying the Bible
Perfect for you if...
- You struggle with saying things you regret, whether in anger, gossip, or careless moments, and want practical Scripture-based tools to change the pattern.
- You're already a believer looking to deepen your faith through a structured devotional rather than casual reading.
- You appreciate accountability and reflection, and you're willing to do daily work (not just passive inspiration) to transform how you communicate.
Maybe not for you if...
- You're looking for a quick fix rather than a 40-day commitment that requires daily reflection and action.
- You prefer devotionals without Scripture focus or those that don't tie faith directly to everyday behaviour.
- You're sceptical of self-help framed through Christianity or want advice grounded in psychology rather than biblical teaching.
About this book
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We track price drops, sale patterns, and predict when this book will go on offer next.
Price History
Kindle price over time. Green zones = periods when the book was free.
Price has dropped 8 times over the last 6 years. Goes on sale roughly every 254 days. Typically stays discounted for 114 days.
Sales Rank
Amazon sales rank: lower number = better selling book. #1 is the bestseller.
Currently around #16K in the Kindle store — a steady mid-list seller. Climbing the charts — 95% improvement recently.
Rating & Reviews
Purple line = star rating over time. Blue area = total review count growth.
Currently 4.7★ from 1,478 reviews
Gaining approximately 12 new reviews per month. Rating has remained stable at 4.7 over the tracking period.
Sale Prediction
Actual Predicted
This book goes on sale roughly every 254 days. Next drop estimated in about 30 weeks. Typical discount: 85% off.
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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