An updated guide to the reptiles and amphibians of Western North America identifies more than five hundred species and subspecies and provides information on habitat, behavior, breeding data, key characteristics, and survival status of threatened species, along with updated range maps and hundreds o[...]

California and the Western States are rich in abundant and diverse species of mushrooms. Amateur mushroom collectors and mycologists alike will find over 300 species of the region's most common, distinctive, and ecologically important mushrooms profiled in this comprehensive field guide. It provides[...]

This superb detailed field guide covers the identification of all snakes, lizards, crocodilians and chelonians (turtles and tortoises) found in the east African countries of Kenya, Tanzania, Uganda, Rwanda and Burundi. With species accounts describing appearance, habitat, distribution and natural hi[...]

When's the right moment to snap a sunset? How do you "freeze" your child in action on the soccer field? What subjects photograph best in black and white? Let this information-packed guide supply the answers to these questions and more as you learn the secrets that have made Naitonal Geographic photo[...]

This is the one compact, portable, and user-friendly field guide the novice or experienced birder needs to identify birds in the field in the diverse habitats found in Costa Rica. It features descriptions and illustrations of all 903 species definitely known from Costa Rica, including pelagics and s[...]

Field Theory and its Classical Problems lets Galois theory unfold in a natural way, beginning with the geometric construction problems of antiquity, continuing through the construction of regular n-gons and the properties of roots of unity, and then on to the solvability of polynomial equations by r[...]

The Art, History and Philosophy of Crop Circle Making. For the first time, the team behind some of the most spectacular formations of the past 20 years, whose work has appeared all across the UK, the USA, New Zealand and Continental Europe, are ready to reveal their secrets. 'The Field Guide' is sur[...]