Teme su između ostalih civilizacije Maja i Asteka, roboti i dinosaurusi, mravi i mjesečari, putovanja po Africi i Antarktiku, istraživanja izgubljene Atlantide i Partenon, te druge.
The themes include the Mayan and Aztec civilisations, robots and dinosaurs, ants and somnambulists, travels in Africa and the Antarctic, exploration of lost Atlantis and the Parthenon, and others.