"Grammar in 15 Minutes a Day: Junior Skill Builder (Junior Skill Builders)" is a guidebook or instructional manual that provides individuals with the tools and techniques to improve their grammar skills in just 15 minutes a day. The book is likely to be aimed at junior or young learners and may cover various aspects of grammar, including sentence structure, parts of speech, verb tenses, and punctuation. It may also include practical exercises and examples to help readers apply what they've learned to their own writing. The book's approach is designed to be quick and convenient, making it a great resource for busy young learners who want to improve their grammar skills but may not have a lot of time to dedicate to it. The goal of the book is to help young learners become more confident and effective writers, and to provide them with the grammar skills they need to succeed in their studies and beyond. ENGLISH READING & WRITING.