Here is a collection of reading material and other helpful learning resources related to radio astronomy and radio telescopes:
Amateur Radio Astronomy
The Radio Sky – by Jeff Lashley; contains some good starting points for various radio astronomy projects, as well as some hardware basics.
Getting Started in Radio Astronomy – by Steven Arnold; walks you through several radio astronomy projects, such as Radio Jove and others, and outlines aspects of radio science, such as electricity, magnetism, the ionosphere, etc.
Radio Astronomy: Science
Unseen Cosmos – by Sir Francis Graham-Smith; fun book on the history, science and major discoveries of radio astronomy.
Essential Radio Astronomy – by James J. Condon and Scott M. Ransom; advanced but clear introduction to the science behind radio astronomy radiation fundamentals, how radio telescopes work, and more.
Field Expedient SDR series – a collection of books by Paul and David Clark that provides a hands-on introduction to software defined radio, signal processing, and related topics with tie-in exercises using GNU Radio.
Electronics for Dummies – accessible introduction to electronic components and their functions and how to put them together in a circuit.