Vegan!! looking for tips

Lucie🌿 • 25, atheist, vegan, engaged 💍🌿 I believe in the consciousness of sentient beings, and the respect they deserve.
Hello other vegans! So I've been a vegetarian for 3 years and I've finally decided to make the change to vegan and I was wondering if any of you other vegans have any tips for me? Any supplements you prefer, specific brands to shop for at the store, etc. Also, any cookbook recommendations! 
If you're not vegan, or you've had a bad vegan experience because you don't know how to be vegan- no need to post here. Thank you!