When Chester accidentally memorises and destroys the only copy of a secret Russian formula for a new and improved rocket fuel, he and Harry are thrust into international intrigue, trying to stay alive while keeping the formula out of enemy hands.
2007
1989
2021
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1976
1999
2016
1974
1992
2001
2004
1952
2014
1972
1941
1959
2019
2000