Time and Mr. Bass
Time and Mr. Bass is a 1967 children's science fiction novel by Canadian author Eleanor Cameron. The novel followed "The Wonderful Flight to the Mushroom Planet" (1954), "Stowaway to the Mushroom Planet" (1956), "Mr. Bass's Planetoid" (1958), "A Mystery for Mr. Bass" (1960), "Jewels from the Moon and the Meteor That Couldn't Stay" (1964), and was illustrated by Fred H. Meise. It is the concluding installment of her Mushroom Planet series.