In Project Mastodon, Clifford Simak explores the fascinating implications of time travel with his signature blend of humor and wit. Imagine a group of friends embarking on a daring adventure to the past, without the backing of government or industry‚Aîjust sheer determination and a limited budget. What if you could travel back 150,000 years, to a time when mastodons and saber-toothed tigers roamed North America? As they navigate the challenges of their journey, including the inevitable question of running out of funds, Simak masterfully delves into these intriguing scenarios, leaving readers both entertained and contemplative.