The World Wonders English learning series is aimed at children aged 9 to 11. The book is illustrated with photographs from National Geographic. The teaching series consists of 4 levels (World Wonders 1, World Wonders 2, World Wonders 3, World Wonders 4). The main book for each level is the Student's Book, which consists of 12 teaching units and 6 review units. The series is designed to engage the interest of students at this age. Each level includes the following books:

• Student's Book & CD
• Workbook
• Companion & CD (Glossary & CD with word pronunciation)
• Companion & Key (Glossary & solutions)
• Grammar Student's Book
• Grammar Teacher's Book
• Test Book
• Test Book Key (Solutions for the Test Book)
• Audio CDs
• Teacher's Book
• CD-ROM