Sharp PC (PC-7000A/7100) Operation Manual
An enormous manual (esp by modern standards) for the Sharp PC-7000A/7100 personal computer family.
"This manual describes the operation of the Sharp personal computer. In it, you will find all the information you need to become an accomplished user of this powerful computer."
Printed 1986. The book is about 2.5cm thick and the spine is about 4cm thick.
Selling due to having upgraded to a Windows XP laptop.
Skipped a few generations there, did he?