Sue Fliess

"Sadie Sprocket is a girl with a big dream ... to go to Mars! No one has been to Mars (yet!), so of course that's where Sadie sets her sights. She learns everything she can about the planet and space, then assembles her crew of trusty stuffed animals. Together they build a rocket and prepare for the historic journey. And then finally ... blastoff!--Amazon.com.

"The thump of a heartbeat, the chirp of insects, the roar of a waterfall-sound is all around! Rhyming text and atmospheric illustrations present four children encountering all sorts of sounds"--

Simone and her team of entomologists travel to Costa Rica's lush rain forest to investigate some strange looking army ants that appear to have not one but two abdomens.