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(Would you like to review my book or submit public comments? Please send an email to info@abacustosmartphone.com. All queries are appreciated.)

Lee Felsenstein, engineer of the Osborne computer: This book presents the history of personal, portable computing from the abacus to the present day in a remarkably thorough, accessible fashion. Not only the winners are described but the also-rans and almost-made-its. Koblentz has done an admirable job of research and description in covering the field. I've always been careful to claim that my Osborne-1 design was only the "first commercially-successful portable computer" because I knew that a book like this would be forthcoming to show the timelines, descriptions and designers of earlier efforts. By nature a survey of the field, it is thoroughly researched and can provide pointers to more in-depth investigations.

Carl Sorensen, Librascope historian: This unique history book includes a good variety of innovative computer companies and their products that older engineers will remember, plus a few they probably never heard of. Most will conclude the book provides a good balance between completeness and brevity, which makes it an interesting fast read.

Allan Olley, computer historian: [T]he book demonstrates a compelling sense of the design and technical challenges for those who sought to make portable computing a reality. (Read more...)

Print edition: $19.99
via CreateSpace

PDF: Only $8.
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Contact the author:
info@abacustosmartphone.com