This book has been graded for interest at 9-12 years.

There are 352 pages in this book. This is a picture book. A picture book uses pictures and text to tell the story. The number of words varies from zero ('wordless') to around 1k over 32 pages. Picture books are typically aimed at young readers (age 3-6) but can also be aimed at older children (7+). This book was published 2016 by Joe Books Inc. .

Together with Pocket Books Star Trek editor John J. Ordover, Robert Greenberger created the overall Gateways concept which forms the basis of the seven-part crossover series.