About the book: 1972 / Spaceship "Three G." flew to explore the planet Troy in the Lagrange double star system, where every single settler died from an unknown epidemic. On board the flying ship were scientists, researchers, instruments, as well as Mark Annunchio, a student of the Mnemonic Service. The students of this organization studied and were brought up with one thing - to remember everything. For what? The fact is that each specialist knew only his own area of ​​​​expertise, while in another he was a complete ignoramus. Such a scientist was no longer able to compare facts from different industries. That's why Mark was needed on the ship. His task was to collect all the information and compare it, because a computer cannot freely analyze any facts and it does not have such a thing as intuition..