I don’t think you need any books or hardware at this stage, maybe just someone to explain the basics to you and ask questions from, and a few YouTube videos. A

I don’t think you need any books or hardware at this stage, maybe just someone to explain the basics to you and ask questions from, and a few YouTube videos. And try installing Audiokit Synth One (it’s free) on your iPhone or iPad to mess around with. Best to learn how oscillators, filters, envelopes and LFOs work from just messing around with a synth.