Roger has written several books but most will only be of interest to polymer scientists as they are all on testing rubbers and plastics. The exception is The Cost of Gardening.
Handbook of Polymer Testing, Editor, 1999
Physical Test Methods for Elastomers, Author, 2018
Physical Testing of Rubber, Author, 1974, 86, 96, 2006, Springer, New York
Practical Guide to the Assessment of Useful Life of Elastomers, Author, 2001
Practical Guide to the Assessment of Useful Life of Plastics. Co-Author, 2002
Short Term Mechanical Tests, Editor, 2002
50 Years of Polymer Testing, Author, 2009
Handbook of Plastics Test Methods, Author, 1981, 1988
Playground Safety Surfacing, 1988
Guide to Rubber and PlasticsTest Equipment, Author, 1973, 79, 89, 97
Measurement Techniques for Polymeric Solids, Editor, 1984
The Cost of Gardening, Author, 2014
ISO TC 45 Rubber and rubber products—A brief History, Author, 2023
Rapra Review Reports:
Polymers in Sport and Leisure, 1989, 2001
Physical Testing of Rubbers, 1992
Long Term and Accelerated Ageing Tests on Rubbers, 2000
Rubber Product Failure, 2002
Polymers in Agriculture and Horticulture, 2004
Unfortunately, most of the older titles are probably no longer obtainable.
He was also editor of Polymer Testing Journal published by Elsevier from 1979 to 2018