Platypus and his friend Echidna have a birthday party for Bruce, a toy platypus.

An introduction to the physical characteristics, habits, and natural environment of the Australian echidna, also called spiny anteater.

"Knuckles the Echidna is the last guardian of Angel Island. And he's here to unlock he mysteries of his past! Knuckles continues his journey in this thrilling installment. The long-lost guardian Tobor returns to Angel Island to expose a traitor within the ranks of the brotherhood! Who, or what, and the mysterious secret service seeking? And who is this young man that will reshape the futur of the kingdom of Acorn?" -- p. [4] of cover.