"Curves Of Steel"

This is a frontal view of a 1936 Peugeot Darl'Mat 402 Coupe, which was designed by Emile Darl'mat. It's one of the cars on display at the Streamlined Automobile Design exhibit at the Phoenix Art Museum.

This is a view of the front of a 1936 Stout Scarab, which was designed to look like a scarab beetle. It was designed by William Stout.

This is an overhead view of a 1937 Cord 812 Roadster, called the "most unorthodox car in the world today" by the British journal Autocar.

This is an overhead view of a 1937 Delage D8-120 S, which was designed by Louis Delage.

This 1938 Talbot Lago TI50-C-SS is an example of a teardrop coupe. The teardrop was thought to be the most aerodynamic shape.

This is an overhead view of a 1939 Lincoln Zephyr. According to "Curves of Steel," this car gave Ford a line to compete with General Motors' and Chrysler's new streamlined cars.

The 1939 Delahaye Type 165 was designed for the French exhibit at the 1939 New York World's Fair.

A 1957 Ferrari 635/250 TRC was designed for speed. Many experts say Ferrari's best cars in terms of aesthetics and racing were built in the 1950s.