Book 1


Book 2

Merlin and the Search for Ob

by Clive Brown

Published 30 September 1993
In this Geography second adventure puzzle book, Merlin takes Daniel and Becky on a trip round the world to discover facts and features about the planet Earth and to find the place called Ob. Topics such as volcanoes, the weather, settlements, map-reading and the oceans are all dealt with through humorous text and puzzles. The reader must solve 39 puzzles in order to find out where Ob is.