May be of interest:
In 2015-2016, 300 printed copies of LO user guides were sold through
the Friends of OpenDocument store at Lulu.com,
http://www.lulu.com/spotlight/opendocument
109 Getting Started
36 Base Handbuch (German)
42 Base Handbook (English)
44 Writer Guide
33 Calc Guide
19 Draw Guide
9 Impress Guide
8 Math Guide
--Jean