Uncover the stories behind engineering marvels, from ancient times to modern day. Learn about the world's most famous structures and their record-breaking facts, as well as lesser-known mysterious wonders, that have served humankind throughout history and changed the way we navigate our world. 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 Grey Level have a reading age between 8 and 9 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.