From the daring pilots of World War One to the supersonic robot planes of tomorrow, discover how fighter aircraft take the battle to the skies. WOW! Facts is a progressively levelled series of non-fiction books that support reading fluency and comprehension for struggling and reluctant readers. It is available in banded levels from Turquoise to Grey, with reading ages ranging from 6 to 9. The titles in Purple Level have a reading age between 6 and 6.5 years and an interest age from 9 up to 14 years. These fun, fact-filled books have wide appeal and cover a huge array of subjects. They use bite-sized chunks of text and generous letter and paragraph spacing to aid readability for dyslexic students. Full-colour photographic illustrations support comprehension and bring the wonderful world of information to life.