Of 171 European cities data on the best 1130 sites from where the hitch-hiking journey can start in the desired direction, with public transport to these places. All info in easy-to-read-tables, no special language required, IQ of 35 sufficient. 
Information on 156 motorway service areas and how these can be reached with public transport. 
Addresses of 83 liftcentres (drive-shares) throughout Europe. 
Budget accomodation (city-campings, youthhostels), addresses and phone of important musea, tourist offices. 
Information telephone number of the public transport involved. 
Legend in 9 languages (Dutch, Czech, English, French, German, Italian, Polish, Russian, Spanish). 
Road maps on the main motorway system per country, scale 1:4.500.000. 
Black & white photographs. 
Introduction (first seven pages) in the Dutch language. For english intro see this server. Total amount of pages: 176. 
By the way...the author hitch-hiked in 12 years over 100.000 km. 

All places in this book have been actually visited in 1995. To achieve this, 55 000 miles were travelled (by car!) by the author. 
All quoted main roads and motorway supply roads were driven along in search of the best place to start hitch-hiking. 
This means that not quoted main roads are less or not suitable for hitch-hiking. 
Five of the 171 towns and cities were not researched on the spot itself. 
These are: Athens, Helsinki, Napoli, Oslo and Stockholm.