This collection is dedicated to you, curious and inquisitive, who loves to build, invent, who loves real technology. Here, any of you will find a job to your liking: young aircraft modellers, young shipbuilders, and those who want to design missiles. In each collection we will acquaint you with the basis of the technical progress of our Motherland: automation, radio electronics, cybernetics; let's talk about how to build automatic and cyber devices yourself.