"How to Teach a Child to Say the "S" Sound in 15 Easy Lessons" This "Help Me Talk Right" book focuses on the "s" sound. It presents an easy to follow, proven step-by-step method of frontal and lateral lisp correction. All the tools and techniques you need for "s" sound correction are included. Target ages: 4 and older. "How to Teach a Child to Say the "R" Sound in 15 Easy Lessons" This "Help Me Talk Right" book focuses on the "r" sound. It presents an easy to follow, proven step-by-step method of correcting those pesky "r"s. All the tools and techniques you need for "r" sound correction are included. Target ages: 5 and older. "How to Teach a Child to Say the "L" Sound in 15 Easy Lessons" This "Help Me Talk Right" book focuses on the "l" sound. It presents an easy to follow, proven step-by-step method of correcting those funny sounding 'l's. All the tools and techniques you need for "l" sound correction are included. Target ages: 4 and older.