Thin on the Ground: Neandertal Biology, Archeology and Ecology synthesizes the current knowledge about our sister species the Neandertals, combining data from a variety of disciplines to reach a cohesive theory behind Neandertal low population densities and relatively low rate of technological innovation. The book highlights and contrasts the differences between Neandertals and early modern humans and explores the morphological, physiological, and behavioral adaptive solutions which led to the extinction of the Neandertals and the population expansion of modern humans. Written by a world recognized expert in physical anthropology, Thin on the Ground: Neandertal Biology, Archaeology and Ecology will be a must have title for anyone interested in the rise and fall of the Neandertals.

Learning English idioms can be difficult for ESL speakers. This book will help simplify some of the common words and expressions native English speakers use. Use it as a reference, or read it as a learning exercise, and you will improve your English in no time at all!

Covering over 10,000 idioms and collocations characterized by similarity in their wording or metaphorical idea which do not show corresponding similarity in their meanings, this dictionary presents a unique cross-section of the English language. Though it is designed specifically to assist readers in avoiding the use of inappropriate or erroneous phrases, the book can also be used as a regular phraseological dictionary providing definitions to individual idioms, cliches, and set expressions. Most phrases included in the dictionary are in active current use, making information about their meanings and usage essential to language learners at all levels of proficiency.