principles and practice Cook, Albert M., Jan Miller Polgar Susan M. Hussey creator text Missouri Mosby 2008 monographic xvi, 571 p. : ill. 1 CD-ROM (4 3/4 in.) ; 28 cm Includes index Previous ed.: published as Assistive technologies by Albert M. Cook and Susan M. Hussey. 2002. Selfhelp devices People-Disabilities Assistive technology seating systems Communication system Aid transportation Sensory aid Funding assistive Activities RCRS SLP 617.033 COO 9780323039079 (hb)