Albert Einstein worked hard on his theories and equations up until the day he died. At least, that’s what history tells us.

There is irrefutable evidence that the past existed, but everything else about the past is hearsay.

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What if the last thing Einstein wrote wasn’t a theory. What if he instead penned a powerful secret that could change the world —and even his own past—in unpredictable ways?

Why is this on our bookshelf?

Quantum mechanics meets time travel meets conspiracy theories – the combination couldn’t be better. The story covers everything from the “many worlds” theory of quantum mechanics to wormholes to a practical demonstration of the grandfather paradox. Just about everything in the story is as plausible as it is fun to read, and it’s a quick story that whets the appetite when larger tomes are inaccessible.

Rating (3 stars)

Much of the dialog is unrefined and repetitive. The number of times one or another character repeats “time travel is messy” becomes less of an insight and more a distraction as you move through the story.

The concepts covered are heavy, even for someone with a background in quantum mechanics, but the book as a whole takes just a few hours to read. It’s accessible to just about anyone and light enough for a lazy afternoon. Expect a fun read, but nothing too introspective.