"Unlocking Literacy: Effective Decoding & Spelling Instruction by Marcia K. Henry is a comprehensive textbook published by Brookes Publishing in 2010. This trade paperback book, measuring 9.9 inches in length, 7 inches in width, and 0.7 inches in height, is packed with 320 pages of valuable insights on literacy, specifically focusing on vocabulary, teaching methods, reading & phonics, and speech. Written in English, this educational resource is essential for educators looking to improve their students' literacy skills through effective decoding and spelling instruction."