Panic strikes the North Pole as the word spreads that Santa won't be able to deliver Christmas gifts because his favorite red long johns are missing. Even the workshop mice are willing to help the elves search.

The red long johns that Santa wears to stay warm on Christmas Eve have disappeared and it's up to the mouse family to solve the mystery.

Read Along or Enhanced eBook: It's Christmas Eve and Santa is busy getting gussied up for the big night. But when he goes to put on his warm, cozy (holey, ragged) Christmas underwear, they're nowhere to be found! With undies for every occasion, he tries on the rest of his collection. But nothing is quite right. Just when he's about to give up he find a surprise from his considerate team of reindeer. Ho, ho, ho, Merry Christmas!

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Sometimes even the merriest, most cheerful guy on the planet wakes up on the wrong side of the bed… First, after a restless night due to Mrs. Claus's snoring, Santa awakes on Christmas morning and stubs his toe. Then the elves shrink his suit, his sleigh gets buried in a snowdrift, and he gets stuck in a chimney. Santa’s had just about enough! But just in the nick of time, he discovers a very special gift of milk and cookies waiting for him. As he munches on the delicious snack, Santa's remembers what Christmas is all about—the gift of love—and, merrily, his grumpies melt away. Now available as a board book, this merrily irreverent Yuletide story, brought to life by Gregg and Evan Spiridellis, will tickle funny bones and touch hearts far and wide.

Everyone knows that when Christmas rolls around Santa employs a legion of helpers to ensure the season goes off without a hitch. But between the santas on parade, the santas at the malls, and the ones ringing bells in front of busy department stores...one intrepid investigator wants to know exactly WHO the real Santa is. Armed with a notebook, pencil, and a barrage of questions, can this young detective get to the bottom of Santa's secret?