LETRS Module 8: Assessment for Prevention and Early Intervention (K–3)

LETRS, Module 9: Teaching Beginning Spelling and Writing

The Speech sounds of English: Phonetics, Phonology, and Phoneme Awareness; Module 2 (LETRS; Language Essentials for Teachers of Reading and Spelling)

LETRS Module 7 Teaching Phonics, Word Study and the Alphabetic Principle (Language Essentials for Teachers of Reading and Spelling, Module 7)

LETRS, Module 1: the Challenge of Learning to Read (Language Essentials for Teachers of Reading and Spelling)

LETRS Module 3 : Spellography for Teachers: How English Spelling Works

Letrs Module 11 , Writing: A Road to Reading Comprehension (Language Essentials for Teachers of Reading and Spelling)

The Challenge of Learning To Read