4.30 avg rating — 4,434,230 ratings

"If it wasn't for the 10 year-old son of the publisher, this book might never have been published"

4.09 avg rating — 1,385 ratings

"Fantastic introduction to nonfiction"

3.98 avg rating — 18,536 ratings

"Judy is SO smart"

3.95 avg rating — 100,711 ratings

"One of the most important books of my life"

4.18 avg rating — 4,980 ratings

"I read them all over and over again"

4.24 avg rating — 19,544 ratings

"Because I know some girls liked them, though I preferred the Hardy Boys because they always beat up the bad guys at the end"

4.43 avg rating — 7 ratings

"Rebecca lived my family's story"

3.71 avg rating — 3,750 ratings

"Started my lifelong fascination with science"

3.98 avg rating — 772,139 ratings

"Because we are all wimpy kids at heart"