Copywriting: Read all about it!
Read anything and everything. Any time. All the time. All week and all weekend. At the supermarket, the gym, the coffee shop, the bus stop, the train station, and the pub. Words are everywhere – in leaflets, papers, and magazines, and online, on signs, on walls and on windows wherever you go.
The more you read, the more words you have going around your mind ready to come out the moment you start writing. And the more words you read that are for different products and different people, the more styles you have access to, too.
As for books, read as many as you can from any genre and by anyone. But for books specifically helpful for copywriters, here are my favourites: