For anybody who is interested in this program I would very strongly recommended this series of on line NASA publications called 'Rockets and people' by Boris Chertok, who was a deputy chief designer at Korolyov's Experimental Design Bureau (the series editor of the English version, Asif Siddiqi, is on the BBC program). It covers almost the complete Soviet missile and space program from 1945 through to the mid 1980's. Chetok was involved in the design of rocket and spacecraft control systems and was involved the investigations of both the Soyuz 1 and 11 disasters. Chetok doesn't pull any punches on any of the failures including his own. All 4 volumes are linked below.
Vol 1 covers Chetok early life and his time in Germany hunting down V2 material and personnel.
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Vol 2 covers the development of Soviet missiles from 1947 through to the R7 and the early lunar probes
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Vol 3 covers the flight of Gagarin through to the Soyuz 1 and the death of Gagarin.
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Vol 4 covers the Soviet Moon program and Space Stations up to Mir.
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