博客來In the winter of 1959, nine students were found dead in the Russian wilderness. The official Soviet investigation was rushed and to this day, historians, scientists, journalists, and conspiracy theorists still question what really happened! Were they killed by an avalanche, a tornado, or perhaps a Yeti? Or maybe murdered after stumbling on a government secret?
Read the facts and the theories, then decide for yourself.
History’s Mysteries Graded Readers bring controversies in history alive. Students learn the facts, review interpretations, and do their own research.
Inside find:
- A fact-based recount of the expedition and what searchers found
- Analysis of evidence for and against theories
- Historical images, maps, documents, and other visual resources
- Fun facts and connections
- Discussion and comprehension questions
- Research projects
- Writing prompts
