Published on the occasion of two exhibitions (in Amsterdam and in Assen) on the life and works of Frits Lensvelt. This versatile and influential Dutch designer and artist, who is probably best known in the world of theatre for his designs of stage decors, also made a name for himself as a book decorator and illustrator, a designer of decorative lamps, and as an interior architect. Licht als leidraad  consists of contributions by Tuja van den Berg (`Leven en werk van Frits Lensvelt`), Rob van der Zalm (`Frits Lensvelt en het toneel`), Henriëtte Wijmenga (`Frits Lensvelt als ontwerper van lampen en als binnenhuisarchitect`) en Jan Storm van Leeuwen (`Frits Lensvelt en het boek`)