
When You Were a Tadpole and I Was a Fish: And Other Speculations About This and That
Last checked: Jun 12, 2026
Good deal — this title is discounted today.
Price range: $1.99 – $11.99
0 readers are tracking this book's price
Fans of these authors will like this...
- Richard Dawkins
- Carl Sagan
- Stephen Jay Gould
- Rebecca Skloot
Fans of these books will like this...
- The Demon-Haunted World
- Thinking, Fast and Slow
- The Second Law of Thermodynamics
Perfect for you if...
- You enjoy essays that make you think differently about familiar ideas, from science and maths to politics and popular culture.
- You appreciate rigorous argumentation wrapped in wit, not lectures that feel like homework.
- You're curious about how to spot bad reasoning in everyday life, from news headlines to social media claims.
Maybe not for you if...
- You prefer narrative storytelling over essay collections or prefer your learning through fiction rather than direct argument.
- You're looking for books that confirm your existing beliefs rather than challenge them with evidence.
- You find academic writing or philosophy tedious, even when it's written accessibly.
About this book
Get the best deal every time
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.
Currently on sale at $2.99 — 75% off peak. Price has dropped 10 times over the last 6 years. Goes on sale roughly every 42 days.
Sales Rank
Amazon sales rank: lower number = better selling book. #1 is the bestseller.
Currently around #88K in the Kindle store — a steady mid-list seller. Sales have softened 96% recently.
Rating & Reviews
Purple line = star rating over time. Blue area = total review count growth.
Currently 4.2★ from 26 reviews
Review activity has been quiet recently. Rating has remained stable at 4.3 over the tracking period.
Sale Prediction
Actual Predicted
This book is currently discounted at $2.99. It typically returns to around $11.99.
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.
Never miss a deal on this book
Create a free account to unlock full price history charts, sale predictions, and get notified instantly when the price drops.
More Nonfiction books you might like
View all Nonfictionbooks →
by Robert F. Kennedy Jr.

Today's Best Deals
View all deals →

by Gillerman, Hope

by John Jakes

by Lisa Kleypas


by Rick Riordan
Affiliate link. We may earn a small commission at no extra cost to you.
