Maxed Out! - Gigantic Creatures from the Past (Paperback)

Dinosaurs aren't the only animals that roamed the earth during the prehistoric era. There was the Archelon, the largest turtle ever, measuring over 13 feet, and the Argentavis, the largest bird ever recorded, weighing in at over 140 pounds! Veteran All Aboard Science Reader author Ginjer L. Clarke packs "Maxed Out!" with facts about humongous animals from this time period.