Collins Big Cat — Fourdesert Challenge: Band 14/Ruby ISBN: 9780008127817

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.