Themes: Common Core, CCSS, Vocabulary, Reproducible Activities, Hi-Lo, Hi-Lo Books, Hi-Lo Solutions, High-Low Books, Hi-Low Books, ELL, EL, ESL, Struggling Learner, Struggling Reader, Special Education, SPED, Newcomers, Reading, Learning, Education, Educational, Educational Books, Upper Elementary, Tween, Teen, Young Adult. Beginning with foundational skills, the activities teach students in a balanced and methodical way. The alignments offer a progressive development of vocabulary acquisition and use so that students advancing through the levels are able to gain more from whatever they read. Each title includes a table of contents, a CCSS alignment chart, 130 reproducible lessons individually aligned to the CCSS (each lesson contains a discrete alignment at the bottom of the page), a scope and sequence chart, and an answer key.