While "The Art of Electronics" is often refered to, you won't need the deep analysis that's in there for simple toy projects. What I've used in the past (and ev

While "The Art of Electronics" is often refered to, you won't need the deep analysis that's in there for simple toy projects. What I've used in the past (and even translated into Romanian) is "Lessons In Electric Circuits" by Tony R. Kuphaldt [1] (completely free). The nice thing about it is that it's practical. You have a lot of nice examples that you can try out with a breadboard and a couple of basic components. The content is not math-intensive but rather focused on understanding the basic principles. If you understand what's in there, then sure, go on and read "The Art of Electronics" and build all the electronics that you can think of. [1] https://www.ibiblio.org/kuphaldt/electricCircuits/ https://www.ibiblio.org/kuphaldt/electricCircuits/