This book has been graded for interest at 12+ years.

There are 208 pages in this book. This book was published 2007 by Puffin Books .

Polly Shulman has written and edited articles about books, infinity, edible jellyfish, planets, circuses, and many other subjects for The New York Times, Science, Salon, and other publications. She is an alumna of Yale University, where she majored in Maths. She puts cayenne pepper in her chocolate cookies and reads forgotten books with frontispieces. In high school she worked as a page at the New York Public Library's main branch, where the librarians trusted her with the key to the special materials storage cage. She lives in New York City with her husband.