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Brian N. Ball
Brian N. Ball was an English author of speculative fiction, known mainly for his three series Timepiece, Probability Man, and Jackson, as well as numerous standalone novels. In all, he authored some 90 novels.
Excerpt from Wikipedia, available under CC BY-SA 4.0.
Books

Blockade
1972
ISBN 9783436015008
Regiments of Night
1983
ISBN 9780879978037