Paperback, 284 pages
English language
Published Nov. 10, 1992 by Corgi.
4 stars
(1 review)
3 in the legendary Brentford Trilogy (9 books!)
(From Wikipedia) Pooley and Omally are forced to deal with a high-tech Satanic takeover of Earth by way of barcoding the entire population, aided by a temporally-relocated version of Sherlock Holmes.
