Chronic lymphocytic leukaemia (CLL) is a form of cancer which affects blood-producing cells in the bone marrow. The word 'chronic' means slowly developing, while 'lymphocytic' refers to the type of white blood cell affected by the condition. This 52 page booklet covers the following:

• Introduction to CLL
• Coping with your illness
• Normal blood cells
• The immune system
• More about the disease
• Signs and symptoms
• Tests and scans
• Treatment
• Outlook
• Help and support
• Questions to ask