I love sending artifacts back in time with my time machine. Totally messes with scientists.
Great book!
The Technicolor Time Machine: The Movie Industry Has Discovered Time Travel—And Hollywood Will Never Be The Same Paperback – 1983
https://smile.amazon.com/Technicolor-Time-Machine-Discovered-Travel/dp/B003AWPZJ6/ref=sr_1_5?crid=3TIXZAA7A4JX1&keywords=technicolor+time+machine&qid=1567961477&s=gateway&sprefix=technicolor+time%2Caps%2C295&sr=8-5