An End to Upside Down Thinking - Mark Gober.

Best scientifically oriented book for understanding and explaining the siddhis (eg telepathy, seeing past lives, intuitions, vivid dreams) that you might now be experiencing. BTW the author Mark Gober started meditating with Guruji in 2020.

https://amazon.com/End-Upside-Down-Thinking-Consciousness/dp/1947637851