Book 1

The Saturdays

by Elizabeth Enright

Published 18 October 1923
Four New York City siblings decide to pool their resources so that each can do a special thing on the Saturday that is his turn to receive the combined allowance.

Book 2

The Melendy family moves to a house in the country where a secret room, a cupola, a stable, and a brook provide Mona, Rush, Randy, and Oliver with adventures far different from the city life to which they are accustomed.

Book 3

Then There Were Five

by Elizabeth Enright

Published December 1956
A summer that promises to be eventful turns into something extra special when the four Melendy children become friends with the orphaned Mark Heron.

Book 4

Spiderweb for Two

by Elizabeth Enright

Published October 1970
Left alone when Rush, Mark, and Mona go away to boarding school, Randy and Oliver are lonely and bored until a mysterious letter brings the first of many clues to a mystery that takes all winter to solve.