If you would like to find out more about the Catholic Church, but are not sure what to do next, here are some ideas for books to help you find out what the Church teaches. Get one of the many catechisms of Catholic belief that are available. Look at any collections of Catholic prayers that you can find. Read about the history of the Church. Read about the lives of the saints.

Holden, Fr Marcus / Pinsent, Fr Andrew, Credo The Catholic Faith Explained (London: Catholic Truth Society, 2007)
[Beautifully illustrated pocket introduction to the Catholic Faith. Available online: Catholic Truth Society]

[New official guide to the Catholic Faith for young people and adults, very accessible]

Compendium of the Catechism of the Catholic Church (London: Catholic Truth Society, 2006).
[The Catholic Church's official shorter Catechism, in question and answer format. Also available online: Search for the title]

Catechism of the Catholic Church
[The best guide to the official teaching of the Catholic Church. Also available online: search for title]

David Albert Jones, Christianity: An Introduction to the Catholic Faith (Oxford: Family Publications, 1999).
[Very good short pamphlet on the basics of the Catholic faith]

Alan Schreck, Catholic and Christian (Cincinnati, Ohio: Servant Books, 2004).
[One of the best popular introductions to the Catholic faith. Not difficult to read]

Herbert McCabe, The Teaching of the Catholic Church: A New Catechism of Christian Doctrine
(Darton, Longman and Todd: London, 2000) [Thought-provoking question and answer catechism]

Alban McCoy, An Intelligent Person's Guide to Catholicism (London and New York: Continuum, 2001)
[Tries to answer the common questions that people ask about the Catholic Faith.]

Roderick Strange, The Catholic Faith (London: Darton, Longman and Todd, 1996).
[Excellent, thoughtful chapters on the basic Catholic beliefs. The author is very conscious of people's doubts and objections.]

George Weigel, Letters to a young Catholic (Leominster: Gracewing, 2004).
[A more imaginative way in to Catholic beliefs and principles. Full of stories and examples from Catholic lives.]

Donald W. Wuerl and Ronald Lawler, eds., The Teaching of Christ: A Catholic Catechism for Adults, 5th ed.
(Huntington, Indiana: our Sunday Visitor, 2005). [One of the best and most comprehensive catechisms. Very clear. Full of references to the official Catechism of the Catholic Church.]

Gerald O'Collins and Mario Farrugia, Catholicism: The Story of Catholic Christianity (Oxford: Oxford University
press, 2003). [A more demanding book, which is like a textbook of mainstream Catholic theology. Very valuable for those who want to go deeper to investigate the history and debates around Catholic thinking]

Scott and Kimberly Hahn, Rome Sweet Home: Our Journey to Catholicism (Ignatius Press: San Francisco, 1993)

Most of these books can be ordered from your local bookshop or bought from on the internet through Amazon.
There are many Catholic booksellers in the UK, some of which also sell through the internet.
They have a good selection of Catholic books which you could browse through. Some contacts below:

The Catholic Truth Society Bookshop

Alive Publishing

St Paul's Bookshops 

Redemptorist Publications