“Know It Show It Grade 3 (Into Reading)” is a paperback workbook published by Houghton Mifflin Harcourt in 2021. It is part of the Into Reading Series, designed for students in elementary. With a total of 248 pages, this book focuses on educational content and strategies to help students improve their reading skills. Written in English, it includes activities and exercises to engage students and enhance their understanding of various subjects based on Into Reading texts.