Horizons Spelling & Vocabulary 1 is designed around a weekly schedule with a variety of practice formats. There is a 160-lesson student worktext, and a teachers Handbook which includes daily lesson plans. Built in flexibility allows the teacher to add words to the weekly lists and to alter the specifications for the writing assignments to tailor the material to the individual student needs. The complete set also includes a student dictionary that lists all of the words and definitions used in the student lessons. This program can be used alone or as a companion to the Horizons Phonics & Reading 1. Student softcover text 261 pages. Student softcover dictionary 70 pages. Teacher's Guide spiral softcover 276 pages.