The following link below takes you to the ‘Reading Lists’ section of the Institute and Faculty of Actuaries website where you have access to a wide range of additional material, deemed relevant for the actuarial exams:
http://www.actuaries.org.uk/research-and-resources/pages/reading-lists
The material is grouped by subject and topic, which makes navigation really easy. There is also a search engine functionality that allows you to search the full online catalogue.