Book
https://www.amazon.com/Lavender-Lovers-Handbook-Beautiful-Varieties/dp/1604692219/ref=sr_1_4?crid=YV5MSASV5QUT&keywords=lavender+book&qid=1676066144&sprefix=lavender+book%252Caps%252C236&sr=8-4&_encoding=UTF8&tag=kitchcultukitsin&linkCode=ur2&linkId=c64beb102f52a2708af7843ceb4ffc24&camp=1789&creative=9325>