"The Aldens visit their old friends, the Piccolos, at their pizzeria. When they learn the restaurant isn't doing well, they offer to help. But the oven doesn't work, the electricity shuts off, and then someone hands out fake coupons! Who wants to shut down the Piccolos' Pizzeria?"--Back cover. When their favorite pizza restaurant almost goes out of business, the Alden children try to help their friends stay open while they find out who is behind...

"Siblings Henry, Jessie, Violet, and Benny used to live in a boxcar. Now they have adventures everywhere they go. What secrets will the children find on their very own island?"--

The four Aldens take shelter in an old abandoned house during a rainstorm while on a bicycle trip to their Aunt Jane's house when a lost dog finds them.

The Alden children have an adventure as they journey along with the Little North Railroad in two cabooses rented for the summer by their grandfather.