This book includes all the "fuoriserie" versions based on the following cars:

Fiat 600
Fiat 600 D
Seat 600
Seat 600 D
Seat 600 E
Fiat-Concord 600
made by:

Abarth, Accossato, Bertone,  Boneschi, Breda, Cisitalia Argentina, Cisitalia Autocostruzioni, Conrero,  Fissore, Francis Lombardi, Ghia, Giannini,  MV, Nardi, OSCA, Osella, Paganelli, Pininfarina, Siata, Siata-Abarth, Vignale, Viotti, Volpini, Zagato, ZM & many others