One of the better kindles unlimited books about simulation. To be honest, the bar is not too high you just have to be >30 pages and mention a few things like the Copenhagen interpretations of Quantum physics. This book actually finds a lot of laws that makes Quantum Physics, well Quantum Physics. Einstein is thoroughly wrong as someone who wanted a 'physical universe'. If he had lived till he could play World of Warcraft maybe he'd understand. Face it, we are all in a simulation and this book presents the case well.
A filter for other similar books on Amazon: note the page numbers if it's less than 100 then don't bother, take your attention elsewhere.