Book 139

Motocross Mania

by R a Montgomery

Published 1 January 1993

Book 145

Everest Adventure

by R a Montgomery

Published 1 February 1994

The Abominable Snowman

by R a Montgomery

Published 1 September 1982
The reader, as an expert mountain climber, embarks on an expedition in the Himalayas to find the Yeti and rescue a fellow climber. By choosing the specific pages, the reader determines the outcome of the plot.

House of Danger

by R a Montgomery

Published 1 August 1982

Race Forever

by R a Montgomery

Published 1 December 1983

The reader faces deadly dangers as a writer on assignment in Mexico to explore the ruins of the Mayan Indians and solve the mystery of why the ancient civilization collapsed.

Trouble on Planet Earth

by R a Montgomery

Published 1 January 1984
After finding every drop of oil has disappeared in the world the reader determines how to solve the problem by choosing how the story will go.

Lost Jewels of Nabooti

by R a Montgomery

Published 31 December 1981

Prisoner of the Ant People

by R a Montgomery

Published 1 September 1983

Track of the Bear

by R a Montgomery

Published 1 August 1988

Supercomputer

by Edward Packard

Published 1 November 1984

Hyperspace

by Edward Packard

Published 1 May 1983

Lost on the Amazon

by R a Montgomery

Published 1 August 1983
The reader chooses how the story will end from 28 possible endings after joining a medical expedition in the Amazon.