00956cam a2200253 4500 546479090 TxAuBib 20201029120000.0 201029s2020||||||||||||||||||||||||eng|u 9781680728224 library binding 1680728229 library binding TxAuBib Weakland, Mark. Duck-billed dinosaurs : ranking their speed, strength, and smarts / Mark Weakland. Mankato, Minnesota : Black Rabbit Books, 2020. 31 pages : color illustrations, color maps ; 24 cm. Bolt. Dinosaurs by design "Compare and contrast the different duck-billed dinosaurs to see which ones were the fastest, strongest, and smartest". Ages 8-12. Grades 4 to 6. 20201029. Bolt. Dinosaurs by design. TXGAI