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...

Roller Coasterby Marla Frazee; illus. by the authorPreschool, Primary     Harcourt     32 pp.5/03     0-15-204554-6     $16.00Once a roller coaster is all loaded up, and the operator releases the brake to start the cars slowly chugging up the first hill, that’s that. “Now it is too late for anyone to change their mind,”...