a true story about a scientific marvel, the lives it saved, and the world it changed
Lantos, Jeff
"Follow two storylines-one about the scientific discoveries that led to the creation of radar, the other about people stranded on a raft in WWII-that come together when radar finds the raft"--Provided by publisher.
"They may look like Bad Guys, but these wannabe heroes are doing good deeds . . . whether you like it or not. The last installment in the . . . Bad Guys series"--OCLC.
"An old friend visits Zoey at the barn with a mysterious glowing . . . seed pod? Zoey, Sassafras, and Pip must work together to discover what this mysterious rare magical plant needs to grow before all the seeds crumble to purple dust!"--Publisher.
"Helicopter Roto and pilot Roy race to the rescue when a powerful flood sweeps away vehicles, strands people, and threatens homes"--Provided by publisher.
Search and rescue robots assist in looking for people who need help. These robots can reach small spaces, swim, and even fly. Learn about the past, present, and future of search and rescue robots.
"Look and find with Chase, Marshall and friends! Search for hidden things in 7 pup-tastic scenes. Then turn to the end of the book for more challenges! Learning concepts include counting, shapes, matching, and more!"--Back cover.