Četiri dječaka i jedan pas

S one strane oblaka

Seme trave

U registraturi

The novel U registratura is Kovačić's best work, in which he deals with the problem of the transition from the peasant class to the lordly class.

Tajna Stubičkih Toplica

Dubravka Vrabec's existence was only noticed by her relatives and neighbors when she disappeared. Her disappearance is mysterious.

Pradavno doba ljudi

Man has always asked himself the question of where he came from and since when he existed. (Attached is a mask to get the impression of a 3D image.)

Moj prijatelj gospodin Leakey

J. B. S. Haldane (1892–1964), a British geneticist, evolutionary biologist, and science popularizer, wrote "My Friend Mr. Leakey" in 1937 – a collection of five humorous, fantastic stories for children (and adults).