When Gwen and Jill open a lemonade stand, something strange happens to their lemonade every time their dog Fletcher disappears.

Jill and Gwen have never gotten into trouble before, but suddenly every time they're in the cafeteria, something goes terribly wrong.

Preparing for a rock 'n' roll contest in which they need a dog's howl over a pizza, the gang becomes desperate when their dog loses all interest in pizza.

Jill makes up a fiendish plan to surprise Gwen on her birthday but is surprised herself by an unexpected turn of events.

This work is the only comprehensive guide to sequels in English, with over 84,000 works by 12,500 authors in 17,000 sequences.