You can read book to baby at any age, any type of book is fine! When my baby was small I read to her children books and show her the pictures, you can also get cloth books, books with some interactivity like flaps, different textures et c
We do book reading, role play, etc. as well to help in the mental development of our baby
I do flash cards / sensory play / role play ( cashier ) / books / song time
https://sg.theasianparent.com/baby-development-eight-month-old
Dee