This is a complete and comprehensive teaching and learning course intended for children sitting 11+, CATs, common entrance and scholarship examinations. It is arranged in a topic by topic format. Plenty of practice exercises are included. This work prepares children for Cognitive Abilities Tests (CATs). All books are rigorously classroom tested. Methodologies presented have been used in AE Tuition classes for over 20 years. These books are frequently revised and updated. Answers, progress chart and a certificate of achievement are also included.