Sawan presents World's Strange & Unsolved Mysteries encyclopedia book for kids. We live in a mystifying world. No wonder, many archaeological or scientific mysteries still remain unanswered. Some bizarre, notorious, and unsolved crimes of all time have puzzled detectives for decades. Lives of some famous personalities stay enveloped in ambiguity. Many startling aspects about the human body remain unknown. Mother Earth with her splendour leaves us awestruck as some natural phenomenon can't be explained. There is no dearth of accounts of all kinds that will surprise and shock you.