**Description:** The "In Aid of Radio Amateurs" series, published by DOSAAF in collaboration with the Central Radio Club of DOSAAF, offers a treasure trove of information for radio enthusiasts. These volumes feature detailed descriptions of amateur radio constructions, including receivers, sound recording devices, amplifiers, measuring instruments, television equipment, as well as HF and VHF apparatus. Additionally, they provide various reference and calculation materials. Starting from issue #10, the series will also include content related to the former "Library of the Radio Magazine." The brochures in the "In Aid of Radio Amateurs" series are designed for a wide audience of radio hobbyists. **Contents:** - V. Lomanovich: VHF Receiver for 144-146 MHz - A. Bazilev, P. Dotsenko: Radio-Electronic Devices for Agriculture - B. Lomanovich: Transistor Testing Device - V. Kisloe: Ferrite Resonance Stabilizer with Compensating Capacitor - I. Demidasyuk: Stabilized Rectifier with Adjustable Voltage - V. Horlovetsky, L. Kabachnikov, R. Karaev: Low-Frequency Amplifier for Pocket Radios - Reference Materials This series is an essential resource for anyone passionate about radio technology and construction, offering practical insights and guidance for both beginners and seasoned enthusiasts alike.