『READING STREET 5.1』는 English Reading Skill을 향상시키기 위한 교재다. 생활, 사회, 과학, 인문 등 다양한 분야의 글을 수록하였으며, 글을 읽고 생각하고 답할 수 있도록 글과 관련된 심층적인 질문을 함께 담았다. 어린이 수준에 맞춰 어린이들이 이해할 만한 주제들과 화제 등으로 구성했다.

Unit 1. Meeting Challenges
Week 1 Red Kayak
Week 2 Thunder Rose
Week 3 Island of the Blue Dolphins
Week 4 Satchel Paige
Week 5 Ten Mile Day
Week 6 Reader's and Writer's Notebook
Unit 1 Poetry Collection

Unit 2. Doing the Right Thing
Week 1 At the Beach
Week 2 Hold the Flag High
Week 3 The Ch'i-lin Purse
Week 4 A Summer's Trade
Week 5 The Midnight Ride of Paul Revere
Week 6 Reader's and Writer's Notebook
Unit 2 Poetry Collection

Unit 3. Inventors Artists
Week 1 The Fabulous Perpetual Motion Machine
Week 2 leonardo's Horse
Week 3 The Dinosaurs of Waterhouse Hawkins
Week 4 Mahalia Jackson
Week 5 Special Effects in Film and Television
Week 6 Reader's and Writer's Notebook
Unit 3 Poetry Collection