Petar Beron worked at the Institute of Zoology and the National Museum of Natural History at the Bulgarian Academy of Sciences as a biologist from 1963 to 2010. Specializating in acarology and biospeleology, he began exploring caves and cave fauna since 1955. He went on expeditions in New Guinea, Indonesia, Mexico, Cuba, China, Vietnam, on the Balkan Peninsula, in Corsica and South America. In his journeys, he discovered many new species of caves and animals. Author and co-author of many books and articles on speleology, zoogeography and acarology. The present publication contains data on 153 species not recorded so ... |
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The map includes 203 natural and cultural-historical landmarks, 161 of which are presented with drawings, the 100 national tourist sites and sites protected by UNESCO. Map features: geographic network; hydrography; country borders; main road network; settlements, classified by number of inhabitants; mountain tops; border checkpoints; airports; ports; resorts; holiday villages; tourist centers; rock formations; caves; pass through cracks and gorges; waterfalls; mineral springs; inscriptions on hydrography, mountains and valleys. Folded map size: 12 x 23 cm. Unfolded map size: 70 x 100 cm. ... |
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Encyclopedia of Amazing Facts is a children's encyclopedia with a difference, providing young learners with a wealth of knowledge in an accessible way! The book suggests: wide range of subjects; great for homework projects; bite-sized information to hold your child's attention; amazing images to support children who learn well through visual prompts. Crammed with amazing bite-sized facts, fantastic photographs and detailed artworks, Encyclopedia of Amazing Facts explains key concepts in a fun way to appeal to younger readers and support their learning at school. ... |
