For Henry and his big dog Mudge, spring means admiring the first snow glory, playing in puddles in the rain, and watching the five new kittens next door.
Annie and her bunny watch and wait as a nest is built above the porch swing, and eventually they get to see the mother bird feeding her babies.
Annie forms a club for girls who love teacups and other dainty things, but she will always love her cousin Henry and his big drooly dog too.
Annie and Henry join the summer reading club at the library, and vow to be "Book Bugs" for life.
Henry and Mudge the dog's boring weekend becomes interesting when Mom suggests building a castle in the basement.
When Henry's cousin Annie prepares to move in next door he and Mudge help calm her fears.
Annie goes on a surprise road trip with her dad and her pet bunny, Snowball.
Henry and his dog Mudge are invited to a sleepover in Patrick's attic, where they watch monster movies, eat pizza, and enjoy a contest to determine whose dog is the best popcorn catcher.