keyword: Science – 29 free books.
All these books are free to read: either they're distributed with a free license, or they're in the public domain.
These books are available in MOBI format - good for Kindle.
Kieran Gallagher and Lizhi Fan
Amy Brown and Greg Wilson
Aseem Sharma et al.
Guido Altarelli and James Wells, editors
Hiroshi Ehara et al. (editors)
Bela H. Buck and Richard Langan, editors