New York Times bestselling author Margaret Peterson Haddix delivers the thrilling conclusion to her middle grade Mysteries of Trash and Treasure series as Colin and Nevaeh unravel their most personal…

This is an EXACT reproduction of a book published before 1923. This IS NOT an OCR’d book with strange characters, introduced typographical errors, and jumbled words. This book may have…

What was the first language, and where did it come from? Do all languages have properties in common? What is the relationship of language to thought? Fifty Key Thinkers on…

An accessible introduction to key educational issues, prompting debate, and encouraging reflective practice and supporting further enquiry.

This book covers public-key cryptography, describing in depth all major public-key cryptosystems in current use, including ElGamal, RSA, Elliptic Curve, and digital signature schemes. It explains the underlying mathematics needed…

A strong addtion to the Key Concepts series, this book takes a interdisciplinary and an international approach to this increasingly popular field.

This edition of practice tests has been written to closely replicate the Cambridge exam experience, although it is also suitable for any English-language student working at CEFR C1 level. Margaret…

The second volume, entitled UNDERWATER MEDICINE AND RELATED SCIENCES: A GUIDE TO THE LITERATURE, published in 1973 by Plenum Press, covered primarily material published during 1970 and 1971, with some…