Book digitized by Google and uploaded to the Internet Archive by user tpb. "Authorized edition."

xv, 406 pages : 25 cm "Few settings in literature are as widely known or celebrated as J.R.R. Tolkien's Middle-Earth. The natural landscape plays a major role in nearly all of Tolkien's major works, and readers have c...

The book contains stories pub­lished by Soviet science-fiction wri­ters in the last three or tour years. Ot course, neither the selection of the authors in this little book, nor the stories themselves can offer a com­...

Includes index Cipher of Mary Queen of Scots -- Le Chiffre indechiffrable -- Mechanization of secrecy -- Cracking the enigma -- Language barrier -- Alice and Bob go public -- Pretty good privacy -- Quantum leap into t...

xxii, 422 pages : 27 cm "Featuring more than 225 user-friendly handouts and worksheets, this is an essential resource for clients in dialectical behavior therapy (DBT) skills training groups or individual therapy. All...

The Calculus Of Observations — Whittaker,E.T, Robinson,G