This book was published in 1978, as you can imagine much of the content is dated. However, the backcover has a paragraph that could have been written yesterday ... while the gear changes our underlying reasons obviously don't.
"Bikepacking is no longer a pastime for a select few; it is now a popular sport with very wide appeal. Bikepacking begins with a desire to escape the pressures of everyday life and the need to find a slower, more agreeable means of travel; its objective is to let people enjoy themselves without being totally dependent on either motor transport or fixed accommodation"