Science books recommended or reviewed by members:

• "Pharyngula's evolution reading list" (mirrored by Les Clane )
• "What science books ought a bookstore stock?" by PZ Myers
• Species: A History of the Idea by John S. Wilkins — read a review
• Your Inner Fish by Neil Shubin
• Darwin's Ghost: The Origin of Species Updated by Steve Jones — published in the UK as Almost Like a Whale
• The Greatest Show on Earth by Richard Dawkins
• Why Evolution Is True by Jerry Coyne
• Finding Darwin's God by Kenneth R. Miller
• The Ice Finders by Edmund Blair Bolles — read a review
• The Human Career: Human Biological and Cultural Origins by Richard G. Klein
• Bones, Rocks and Stars: The Science of When Things Happened by Chris Turney — read a review
• Delusions of Gender: How Our Minds, Society, and Neurosexism Create Difference by Cordelia Fine
• Religion Explained: The Evolutionary Origins of Religious Thought by Pascal Boyer
• Guns, Germs, and Steel: The Fates of Human Societies by Jared Diamond
• The Feeling of What Happens: Body and Emotion in the Making of Consciousness by Antonio Damasio
• The Trouble with Physics by Lee Smolin — read a review

Science books for children (a frequent request):

• The Frog Scientist by Pamela S. Turner — review
• Little Changes by Tiffany Taylor. Also in PDF format. Released under the CC BY-NC-ND 3.0 Unported license, which means you can non-commercially distribute copies made at your local print shop. Recommended here.

Bad science books or pseudoscience:

• Bad books reviewed by PZ myers