Little x is missing from Charley's Alphabet, and the other lowercase letters go off to solve the mystery of his disappearance, learning in the end how valuable a little x can be.
Enjoying the excitement of the world, newly hatched dinosaur Dinah stomps and chomps through the day until she sees a kiss, then resolves to kiss someone herself without whomping, chomping, or stomping them first.
While on a seventh-grade school trip, Claire attempts to mend her relationship with Cam while Massie seeks to maintain her high social standing and receive her first kiss.
Senior Katie Ellison has built her popularity on a base of lies that threatens to come tumbling down when Tommy Sullivan, her best friend in middle school, returns after a four-year absence and seems determined to strike up a relationship again in spite of Katie's past betrayal.
One evening, when the King is in a hurry, his goodnight kiss to his son goes astray, rattling around the castle and finally escaping into the dark forest, where the King orders his bravest knight to find it and bring it back.