This is a novel that entertains, engages and informs …

A World Between challenges perceptions as only fact-based science fiction can. Robert Herzog has given us a strong read with sentences that propel readers forward to interpersonal relationships that underscore the human element in this quantum adventure.

Dan Werner, Amazon.com

“A World Between is a mix of greatness lies in wait for the reader…

to discover in the pages of this super read. I enjoyed spending time with it because of the way it took my imagination to a new place and at the same time combines so many great powers are at work. This is going to be great for older readers and will take them on a mind bending fun ride.

Cassandra McCann, cassandramsplace.com

“This is a really modern science fiction book, based in cutting-edge reality of current physics and mathematics. But don’t worry — you just need to follow the characters’ conclusions to understand the problems they are facing. The writing in A World Between is lovely, with many sparkling turns of phrase, some places infused with rap, others with Joyce. Good backstory on characters and motivations. The parts that happen in the “danger zones” are especially good, and the Grand Canyon scenes are great.”

Tobi LeBec, Amazon.com

A wonderful reflection about the nature of human perception

A wonderful reflection about the nature of human perception, human reality and its mysterious origins. A Philosophical discussion of Mind as the Source of experiential phenomena, its dimensions and its infinite expressions between light and not-light. Captivating and engaging!!

Amazon Customer

A smartly-crafted debut novel

A novel bursting with big ideas and cutting-edge science, A World Between also features a page-turning plot and vivid characters. A smartly-crafted debut novel, and one that’s well worth checking out, especially for those whose taste in science fiction runs to the here and now.

Rich Rubin, Amazon.com

“Stellar, professional service.”

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— L.I.

“4 thumbs way up from my 2 sons!”

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— S.L.