The Mysterious Incident Of The Seven Sleepers in Bloomington, MN

This book talks about a mysterious cave called Alkahaf (Ar Rakim). Which is mentioned in holy quran and it is historical incident because government and other scientists have discovered it which is found to be true, this incident is strange because in holy quran there is mention of this incident that they were some youths who entered the cave went and slept for 309 years, a very amazing phenomenon. Read it and let me know if you want to add any more topics.
Thank you,