Notes

32 pages
illustrations (chiefly colour)
Word count: 32171 ; Text type: information report (informative)
Summary: The world is full of unexplained mysteries -- unusual events that nobody can understand, and questions that nobody can answer. Do UFOs exist? Is there life on other planets? Why do some people go missing without a trace? This book explores some of the most intriguing mysteries over the years, and the theories that people have developed to explain them. (Back cover)
PM guided reading.
Level 30.
PM library.
Sapphire level.