Big Cat Ruby Four Desert Challenge NF

Build your child's reading confidence at home with books at the right level

Find out all about one of the worlds' toughest running challenges, as racers compete for 28 days covering a distance of over 1,000 kilometres in some of the wildest and loneliest places on Earth, in the ultimate endurance event.

• Ruby/Band 14 books give increasing opportunities for children to develop their skills of inference and deduction.