Bubble in the Bathtub

By Jo Nesbø

Subjects: Humorous stories, Adventure stories, Adventure and adventurers, fiction, Time travel, Adventures and adventurers, Inventors, fiction, Fiction, Children's fiction, Time travel, fiction, Juvenile fiction, Adventure and adventurers, Bathtubs, Inventors, Paris (france), fiction, France, fiction

Description: A mysterious postcard leads Lisa and Nilly from Oslo to Paris in search of Doctor Proctor but, once there, all they find of their missing friend is a time-traveling bathtub powered by a special soap and several sinister individuals determined to do all they can to locate the eccentric inventor.