Essential Computers Essential skills for the information age. Written in clear, concise language with step-by-step solutions, and handy illustrations, the Essential Computer Series is ideal for learning specific skills and overcoming issues that thousands of computer users face every day. Packed with helpful essential, easy-to-follow tips, these five revised, updated, and accessible paperbacks are ideal for the home, school, or office. Формат: 12,5 см x 17,5 cм.