4.35 avg rating — 9,929,164 ratings

"If we're not careful, the world could end up like this, sooner rather than later"

4.26 avg rating — 6,896,999 ratings

"It shows that acceptance has no age limit and that children can do better than adults sometimes"

3.67 avg rating — 7,323,418 ratings

"Like it or not, this book started turning Young Adults into readers, myself included"

4.39 avg rating — 2,883,901 ratings

"The importance of books in a child's life should never be taken for granted"

4.12 avg rating — 5,732,153 ratings

"We all need a good cry every now and then and this book makes you cry for longer than that"

4.31 avg rating — 1,474,977 ratings

"Kids at war. This could happen and that's just sad."

4.24 avg rating — 2,004,407 ratings

"More people need to be like Charlie. We need Wallflowers"

4.07 avg rating — 2,170,734 ratings

"All the stories are true"