..three, two, one… we have liftoff! From the award-winning author of Are We Alone? comes a title to propel young imaginations far into space. This Is Rocket Science explores the past, present, and future of space travel.The compelling text—vetted by NASA scientists—is a combination of history, science, human drama, and future challenges. Readers learn how fireworks in ancient China developed into the fire arrows used by Genghis Khan; we meet Sir Isaac Newton, Jules Verne, H.G. Wells, and learn...
Jack and Ashley’s search for eight-year-old Sammy has left them hopelessly lost in a twisted maze of tunnels deep inside Carlsbad Caverns.Bats are everywhere, and the echoes of their screeching cries sends a chill through the trio. The only light is the candle in their lantern. What will happen when it burns out, leaving them in total darkness?From the Paperback edition.