3.50 avg rating — 553,157 ratings

"Fun writing, interesting idea (I haven't read another book like it), and concepts that appeal and are relatable to YA audiences."

4.47 avg rating — 11,631,935 ratings

"Always fun, especially for younger YA readers, but an adventure for all ages."

4.31 avg rating — 1,490,829 ratings

"All the fantastical story and adventure you could want from a sci-fi novel, but it still manages to tackle larger issues."

4.35 avg rating — 10,117,259 ratings

4.31 avg rating — 3,508,318 ratings

4.10 avg rating — 1,364,655 ratings

4.01 avg rating — 1,382,273 ratings

3.85 avg rating — 738,102 ratings

"Especially good for any YA girls."