Helbling Readers This year Tom is really excited about Christmas. He is going to spend the holidays with his friend Mahir in the Kingdom of the Snow Leopard. He even has a special invitation from Mahir"s father, the King. But someone is following the boys on their journey and Tom is worried that he wants to hurt them. What happens when they get there? Helbling Readers is great new series of beautifully illustrated graded stories specially devised for teenagers. The series is published in two categories, Helbling Readers Red Series and Helbling Readers Blue Series, each one addressing different age groups, language levels and interests.