Indra's Net It is a book of science fiction of what might be called the subgenre of the "books of travel in time" with a mixture of "parallel universes" and "military campaign". The book engages fairly and read at a time.
The story tells the adventures of a mature professor of physics who has led an intense life, including two divorces and his participation in the Strategic Defense Initiative during the Cold War. Now he prepares to face the part which is more sedate of his career.
Obviously, circumstances force her to devote himself to have to help one of their ex-husbands, a colonel in the United States Department of Defense, which leads her and her assistant, to investigate a perfect geode two kilometers in diameter found in the basement of Canada, for which geologists find no rational explanation and that everything points to have an extraterrestrial origin.
At one point our heroes enter the pocket and this causes an unexpected twist of the story, which takes us to worlds inhabited by intelligent non-human species and to know the existence of beings who live outside of time. To this is added a terminal illness by the protagonist, a traitor in the team and various military topics.
Its author, Juan Miguel Aguilera, It presents characters with depth, consistent with the past and with a well worked psychological profile. Non-human civilizations that creates are interesting and generally wish to know more about them.
The book ends the story of the pocket, but leaves the actors stranded in one of the worlds they have visited ... I do not know if there will be a second part ... I would not mind reading it.