Stirring series of photographs captured by a skilled photographer documenting the many diverse aspects of an operation involving a probable heart-lung ("H.L.") bypass.

Inscribed first printing of this groundbreaking work by a psychologist and Islamic scholar, presenting an "integrated theory of personality development that takes into account a universal understanding of both humankind and culture" (Knabb and Welsh).

Scarce early monograph on human subject research by the pioneering medical ethicist, whose work was foundational to the current understanding of informed consent.

Rare inscribed first edition of this long influential, but now discredited, early study of lesbian women.

First printing of a scarce volume in Corliss's Catalog of Biological Anomalies.

Review of the "scientific and semiscientific" literature on anomalous phenomena in the near and far reaches of the solar system.

Uncommon astronomical volume in Corliss's grand and ambitious Catalog of Anomalies.

Mysterious weather, collected and categorized with impressive thoroughness and intermittent reliability.

First edition of this "essay about basic research" from the Carnegie Institution of Washington, exploring the ways in which biogeochemists apply their tools to questions of human prehistory.

First edition of these collected essays, papers, and letters on contraception and related scientific matters, by the research chemist responsible for the development of the first birth control pill.

Inscribed first printing of Fossey's landmark scientific memoir.

First US edition, first issue of the epochal popular survey of quantum physics, Hawking's first book for non-specialists.

Three states of the first separate edition of Koedt's revolutionary essay, together with the hand-annotated typescript draft German translation utilized for the first published German edition.