The only cure for a deadly plague sweeping the country is the crystal fang of a dragon that has terrorised the surrounding countryside for many years. Until now, the location of its den on Dragon Ridge Mountain has remained a mystery. In a race against time, Jack battles through a storm to reach the top of Dragon Ridge Mountain. With Merlin to guide him, Jack enters the dragon’s den and comes face to face with the monstrous beast. This is a story of courage, magic and one boy’s brave quest to fulfil a destiny foretold by the legends of long ago. Join Jack on his journey as he writes the story with the assistance of the magician Merlin and Punctua, the Fairy Godmother of Writing, to punctuate properly and become a bestselling author. Descriptosaurus Punctuation in Action Years 4–6: Jack and the Crystal Fang is part of a short series of age-specific, beautifully illustrated stories that can be read for pleasure and/or used as a contextualised resource, containing a step-by-step guide to teaching punctuation. The characters from each story are used to demonstrate a range of punctuation rules in a fun and engaging way appropriate to the book’s age group. Areas covered include: formulating punctuation rules. the use of misconceptions to highlight common errors. teaching tips to provide a punctuation model. The book explores the impact of punctuation on reading, understanding, meaning and effect, and can be used as a basis for pupils’ own punctuation or included in their ‘Writer’s Toolkit.’ These new Descriptosaurus stories are an indispensable teaching aid for making punctuation fun for all primary teachers and literacy coordinators.