Lolo and Winkle Books in Order

A London holiday turns dangerous when Winkle joins a treasure hunt and disappears. Lolo and their cousin Muff must follow a kidnapper's clues, pushing Lolo to face her fear of heights if she hopes to bring her brother back.

As the school year ends, Winkle's latest troubles involve basketball, BB guns, and a bully. When he runs home frightened, his sister Lolo steps in and discovers that defending him may require deciding which friendships are worth keeping.

Lolo and her brother Winkle turn ordinary afternoons into unpredictable adventures. When Winkle takes his ambitions for online fame too far, the siblings discover that attention comes with responsibilities to their family and each other.

After a movie convinces Winkle that zombies are coming, he gathers friends for survival drills and secret meetings. Lolo treats the club as a game until a bully reports seeing a zombie, testing their preparations and growing friendships.

Starting seventh grade, Lolo feels left behind as her brother Winkle makes friends and wins a part in the school play. When her careful plans to fit in fail, she turns to him for help navigating bullies and changing friendships.