Cover Madness continues! Voting is over for the March/April covers. Next up are the May/June covers. Pick your favorite from each group — let us know your favorites in the comments! Come back next week to see which covers advance to the next round. Read the Cover Madness rules here.   Click on any...

Google “best books for children,” and you’ll get lists of (mostly) fiction books characterized by imaginative writing and excellent pictures — great stories with captivating illustrations. Why should the elements of a good science book be any different? As far as engaging stories go, science writers have it made. Who...