No.
Alas, NOT ALL PREORDERS of Turtles All the Way Down will be signed. However, there will be 200,000 signed copies available, for sale in the U.S. and Canada. You can preorder a (probably, but not definitely!) signed copy of the book at your local bookstore by asking SPECIFICALLY for the signed edition (ISBN number 978-0-525-55538-4) or at:
- John