Books beginning with O

Bernard and Colin return from Africa with signs that the legendary Yeti of the Tibetan Himalayas may be the answer to how mankind acquired the Missing Link gene.

Genres: SciFi, Thought-provoking

Becca & Doug McKenzie become involved with the Honourable Guild of Specialists when their parents disappear, leaving them in the care or their uncle, captain of the research boat _Expedient_.

Slightly larger-than-life heroes and villains; a broad cultural sweep to the front and backstories; unremarked equality of men and women; courage and steadfastness among (heroic) allies. Impetuous if well-intentioned disobedience and deception by the children.

Genres: Adventure, Friendship, Historical

As his fifth year at Hogwarts fast approaches, Harry Potter the young wizard is certainly in adolescence, with mood swings and outbursts of rage.

Genres: Adventure, Friendship, Magic, School

The stone which Christie was given by the Yeti is linked to the mysterious creature which takes over the lab at Fourth World; meanwhile in some unspecified place and time, the Dogs and the Cats are in a permanent state of conflict.

Genres: SciFi, Thought-provoking

Elwin Ransome, a Cambridge don on a walking holiday, is looking for shelter for the night and chances upon two men, one of whom he knew at school, who drug him and take him with them to Mars in their spaceship.

Genres: SciFi, Thought-provoking

The Drew family and their Great Uncle Merry are staying in a Cornish house on holiday when the children find an old map which seems to lead to some treasure buried "Over the sea and under the stone".

Straightforward adventure story, slightly dated; ordinary family life

Genres: Adventure, Arthurian, Family, Fantasy

Three teenagers, a visting step-brother and sister and a local lad, find a dinner service decorated with a design which can be seen as owls or as flowers.

Genres: Magic, Spooky