As spring arrives on Gardam Street, there are surprises in store for each Penderwick, from neighbor Nick Geiger's expected return from the war to Batty's new dog-walking business, but her plans to use her profits to surprise her family on her eleventh birthday go astray.-- {u01C2}c (Source of description not identified).

The Penderwick family returns to Arundel for Rosalind's wedding, but Lydia, who has only heard stories of the grand estate, is eager to explore the place where her older siblings had endless adventures.

Nine years, five older siblings, a few beloved dogs, and an endless array of adventures--these are the things that have shaped Lydia's journey since readers first met her in The Penderwicks in Spring. Now it's summertime, and eleven-year-old Lydia is dancing at the bus stop, waiting for big sister Batty to get home from college. This is a very important dance and a very important wait because the two youngest sisters are about to arrive home to find out that the Penderwicks will all be returning to Arundel this summer, the place where it all began. And better still is the occasion: a good old-fashioned, homemade-by-Penderwicks wedding.

When the three younger Penderwick sisters go to Maine with Aunt Claire and are separated from oldest sister Rosalind for the first time in their lives, an uncertain Skye is left in charge as the OAP--oldest available Penderwick.

As spring arrives on Gardam Street, there are surprises in store for each Penderwick, from neighbor Nick Geiger's expected return from the war to Batty's new dog-walking business, but her plans to use her profits to surprise her family on her eleventh birthday go astray.

When Spring arrives, so do some surprises.