《Who Would Win》這系列用一個比較的方式來介紹動物，相對平鋪直敘的講述，用兩種相近的動物去比較，能精要地道出特點，既能刺激思考，又能將事實用有趣的方式表達出來，印象更深刻。
一套6本包括：
Who Would Win? Killer Whale vs. Giant White Shark
Who Would Win? Lion vs. Tiger
Who Would Win? Polar Bear vs. Grizzly Bear
Who Would Win? Tyrannosaurus Rex Vs. Velociraptor
Who Would Win? Whale Vs. Giant Squid
Who Would Win? Alligator vs. Python
Facts and photos provide a contrast between alligator and python, comparing their sizes, brain structures, and abilities.
Series Information In this innovative science series from favorite nonfiction author Jerry Pallotta, readers will learn about dangerous creatures by asking "Who would win?" Each book is illustrated with full-color pictures and features a pair of animals that rarely, if ever, meet in the wild. Young scientists will love using the book's easy-to-read facts and their own reasoning skills to decide for themselves which creature would be the winner.
Books include:
Who Would Win? Killer Whale vs. Giant White Shark
Who Would Win? Lion vs. Tiger
Who Would Win? Polar Bear vs. Grizzly Bear
Who Would Win? Tyrannosaurus Rex Vs. Velociraptor
Who Would Win? Whale Vs. Giant Squid
Who Would Win? Alligator vs. Python
Paperback / For Ages: 5-8