- Secrets of Machu Picchu
- Secrets of Mesa Verde
- Secrets of Pompeii
- Secrets of the Terracotta Army
Developed and produced four leveled nonfiction readers for Grades 3–5 for the U.S. market. The high-interest social studies Edge Books on compelling, contemporary topics, are tailored specifically for struggling and reluctant readers. The books contain glossaries, definitions, bibliographies of appropriate age-level books and websites, as well as CCSS questions for critical thinking. Focus provided full service—project management, editing, leveling, fact-checking, design, layout, photo research, and production. The books were completed in three months, on time and on budget and were well received.