2008. Harding, PR. Mushroom Miscellany. Ed.Collins. 208 pp. ISBN 0007284640
2007. Harding, PR; T Lyon. How to Identify Edible Mushrooms. Ed. Collins. 192 pp. ISBN 0007259611
2006. Harding, PR. Mushroom Hunting. Need to Know?. Ed. Collins. 192 pp. ISBN 000721507X
2005. Harding, PR. Patrick's Florilegium. Ed. Hallamshire Publ. Ltd. ISBN 1874718660
2004. Harding, PR; A Outen. Gem Mushrooms. Ed. Collins GEM. 256 pp. ISBN 0007183070
2003. Harding, PR. Mushrooms & Toadstools . Ed. Collins GEM. 256 pp. ISBN 0007147120
1999. Harding, PR (autor); ST Buczacki (editor); J Wilkinson (editor). Mushrooms & Toadstools. Ed. Collins. 256 pp. ISBN 0004722701
1998. Harding, PR; G Tomblin. How to Identify Trees. Ed. Collins. 192 pp. ISBN 0002200678
1996. Harding, PR (autor); T Lyon (autor); R Gillmor (autor); G Tomblin (autor, ilustrador); N Hammond (autor). How to Identify Edible Mushrooms. Ed. Collins. 192 pp. ISBN 000219984X