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Sigma 7: The Six Mercury Orbits of Walter M. Schirra, Jr. (Springer Praxis Books) by Colin Burgess

Sigma 7: The Six Mercury Orbits of Walter M. Schirra, Jr. (Springer Praxis Books)

Colin Burgess

316 pages • first pub 2016 (editions)

science informative reflective medium-paced
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SIGMA 7: The Six Mercury Orbits of Walter M. Schirra, Jr. by Colin Burgess

SIGMA 7: The Six Mercury Orbits of Walter M. Schirra, Jr.

Colin Burgess

298 pages • first pub 2016 (editions)

science informative reflective medium-paced