1925-2000 384 activitéscréatricesetmanuelles africanamericanboys africanamericans amateurs'manuals beginner bestfriends bicycleindustry bicyclesandbicycling bicyclesinart bicycletrails bicyclettes caricaturesandcartoons collectorsandcollecting conspiracy cycling cyclingaccidents designandconstruction dynamics economicaspects education edward electronics environmentalaspects europe fathers femmescyclistes fiction friendship general ghosts gorey grandparentandchild growth hauntedplaces highwayplanning hispanicamericanboys hispanicamericans history humorousstories inventions juvenilefiction juvenileliterature lawandlegislation lostandfoundpossessions lostarticles maintenanceandrepair materials materialsscience mediatie-in miffy(fictitiouscharacter) neighborhoods nouvelles parents philosophy politicalaspects rabbits reader recreation roadbicycles romans safetymeasures school socialaspects socialthemes spo000000spo011000 sports toys transportationandstate transportationgeography unitedstates urbantransportation values virtues