Condition: Acceptable. Please see the images for more details.
Cover art:
Blurb: “SCIENCE HERO ALBERT HOPPER is on a mission: travel to the center of the Earth! With his wormlike ship, Wiggles, and the help of his niece and nephew, trusty Junior Science Heroes Polly and Tad, Hopper is ready to go where no frog has gone before.
Thick layers of rock, tunnels of lava, and temperatures of six thousand degrees stand between our heroes and their prize. Will they make it? Find out in this funny and informative adventure.
John Himmelman is the author and illustrator of more than seventy-five books for children, including the Bunjitsu Bunny books, The Giant from the Fire Sea, Floaty, The Cow Said Meow, and Chickens to the Rescue. He lives in Connecticut with his artist wife, Betsy.”