Minnie gets Millie and Melody to help search for the Sparkle-izer, and they discover Bella thought the Sparkle-izer was a rubber bone.

Jake, Izzy, anbd Cubby make Captain Hook a birthday cake for his birthday.

When Chilly arrives in Doc's clinic covered in blue spots, Doc tracks down the reason for this case of "Mystery Pox".

When Kion gets separated from the rest of the Lion Guard, he gets lost in the Outlands! Kion has to be careful while he's in hyena territory because all hyenas are dangerous--or are they? Kion makes a new friend and learns an important lesson.

"In this book, you will meet the X-Men."--back cover.

A note from Peter Pan sends Jake and his crew on a treasure hunt to Skull Rock. A special treasure is locked away there, and Peter has given Jake the key! But that old codfish Hook takes the key and leads Jake on a chase across the Never Sea. Will Jake and the Never Land pirates get the key back and claim their treasure?

Despite being all better after falling down and getting covered by burs while playing, Stuffy has trouble being brave enough to play again.

"Louie the cell phone needs to learn when to use his inside voice."--P. [4] of cover.

"Learn all about Mira and her life as royal detective!"--Page [4] of cover.

"Help Jake and the crew foil Hook in this egg-cellent adventure!"--P. [4] of cover.