Excellent read! Hard to put down & leaves you waiting anxiously for the next book! If you like futuristic fiction with a creative twist that is possible in the not-too-distant future, you’ll love this book. It will leave you thinking about the possibility of an underground church in the future with a very realistic view of what they might face. A bit of mystery & intrigue as well as amazing medical advancements of the future… this book has it all!