Up and Down: Blast up to Space or Flip this book to Dig Down to the Earth's Core! Alan Gratz whose impressive mountain fortress as

whose impressive mountain fortress as a safe haven

two-time National Book Award finalist and New York Times bestselling author

hands-on journey to discover all the wonderful uses and gifts of the plants around us

one that rapidly spirals into tragedy

Avery tries to find her way back home

Up and Down: Blast up to Space or Flip this book to Dig Down to the Earth's Core! Alan Gratz whose impressive mountain fortress asGo star spotting, find out about cave dwelling creatures, and discover a whole world of fascinating information about our planet in this gorgeously illustrated two in one book about the world. Read one way, Up and Down focuses on whats up above us clouds, stars, the Sun and Moon and things that fly. Then flip the book and read it the other way to find out whats down beneath our feet burrowing animals, the underground transport system, fossils, caves