Any books on etiquettes of islam that you recommend?

There are many book on Islamic etiquettes
I recommend you please read treatise of Imam Ali bin Hussain(a.s) please follow this link:

https://www.al-islam.org/treatise-rights-risalat-al-huquq-imam-ali-zayn-al-abidin

https://www.al-islam.org/printpdf/book/export/html/28752