Collections of short plays based on grade specific subject matter taught in elementary classrooms. Used as focused learning exercises, each play is expressly de

In the Sex and Race series, first published in the 1940s, historian Joel Augustus Rogers questioned the concept of race, the origins of racial differentiation,

Presents a simplified method of designing ducted fans for light aircraft propulsion. Includes a survey of ducted-fan-powered aircraft, ranging from amateur-buil

Reproduction of the original: Melmoth the Wanderer Vol. 1 (of 4) by Charles Robert Maturin