The Practice of the Presense of God (Brother Lawrence)
    - an unassuming French monk explains how his simple life of menial chores overflows with the joy of God's presence.
Celebration of Discipline (Richard Foster)
    - a modern classic, explaining how to develop pray, fasting, meditation and other disciplines joyfully not legalistically.
Rich Christians in an Age of Hunger (Ronald Sider)
    - the world as it is: a billion destitue, another 3 billion with little and a tiny western minority comsuming the world's resources.
Justice and Peace, a Christian primer (J.Milburn Thompson) ISBN 1-57-75-141-2
    - lots of examples and facts about war,development,human rights,poverty, neo-colonialism etc. in the post-coldwar world.
Passion for Jesus (Mike Bickle)
    - the testimony of a young American christian wrapped around a study of the Song of Songs as expressing God's love for us.
The Confessions (St. Augustine) ISBN 0-14-044114-X
    - the great theologian tells of his conversion 1600 years ago, his honesty reveal men were the same then, and so was Jesus.
Chasing the Dragon (Jackie Pulinger) ISBN 0-340-25760-1
    - 20 year old Jackie sees God's Spirit transform the Walled City, home to Hong Kong's poorest and more hopeless.
Born Again (Charles Colson) ISBN 0-340-63058-2
    - President Nixon's right hand man comes face to face with Jesus just before being jailed for Watergate.
The Torn Veil (Gulshan Esther) ISBN 0-551-01153-X
    - a young muslim girl has a dream, reads of Jesus in the Koran, is healed of paralysis, and eventually ends up in Oxford.
The Final Quest (Rik Joyner)
    - a strange but very insightful and powerful prophetic revelation of the spiritual battle we are fighting in.
The Chronicles of Narnia (C.S. Lewis)
    - enjoyed them as a kid? reread them and you will see, through his analogies, wonderful insights into God and humanity.
Surprised by the Spirit (Jack Deere) ISBN 0-85476-494-1
    - a conservative evangelical theologian is confronted with the Holy Spirit at work. A scholarly examination of charisma.
Surprised by the Voice of God (Jack Deere) ISBN 0-85476-649-9
    - Jack focuses on the different ways we can hear God, full of examples from his own life, honest and very helpful.
The NIV Thematic Bible
    - the theme section traces every theme you could think of from apples to vegetarianism through the Bible.

Walden (Henry Thoreau) ISBN 0-691-06194-7
    - in the mid-19th century Henry build himself a log cabin by Walden pond - a classic of voluntary simplicity.
The Tao of Physics (Frutijof Capra) ISBN 0-00-654489-4
    - a good explaination of East Asia worldviews and their similarities with quantum physics.
The Emperor's New Mind (Roger Penrose) ISBN 0-09-977170-5
    - a peculiar but intriguing and well argued examination of consiousness and attack on strong AI.
Phaedrus (Plato)
    - Plato's answer to the lovers guide, very metaphysically beautiful prose.
The History of Western Philosophy (Bertrand Russell) ISBN 0-415-07854-7
    - Berty has got his own biases of course, but this covers a lot of ground with wit and intellegence.
Animal Rights and Wrongs (Roger Scruton) ISBN 1-898309-19-1
Animal Liberation 2nd Edition (Peter Singer) ISBN 0-7225-2415-3
    - two very different but equally interesting and well written examinations of human-animal interaction.
The Meaning of the Holy Qur'an ISBN 0-91597-31-0
    - aimming at the poetry of the Arabic, many scholarly notes and Apendixes (historical + a tough one on the Biblical canon).

Just So Stories (Rudyard Kipling)
Tales from Ovid (Ted Hughes)
The Chronicles of Clovis (H.H.Munro, alias Saki) ISBN 0-14-018349-3
Red Mars Trilogy (Kim Stanley Robinson) ISBN 0-586-21389-9
Out of the Silent Planet Trilogy (C.S.Lewis)
Neuromancer (William Gibson) ISBN 0-586-06645-4
Homeland (R.A.Salvatore) ISBN 0-14-014372-6
The Sacred Diary of Adrian Plass aged 37.5 (Adrian Plass) ISBN 0-551-03069-0

I have most of the books mentioned above and would be more than happy to lend them to anyone.