Mactracks is a series of fiction and non-fiction books for children and teenagers learning English as a second language. The titles are graded according to the reader's age, interests and language skills. Although intended to meet an educational need, care has been taken to ensure that the books are far more than simple texts for reading practice. There are four levels of Mactracks: level 1 (starters) and level 2 (sprinters) are designed for the upper primary school age group and level 3 (runners) and level 4 (winners) are aimed at the lower to middle secondary school age group. Mactracks are designed to be read for pleasure as well as for information and to encourage children to develop good reading habits. They are fully illustrated and aim to be topical in content.