Book recommendation on Hindu Architecture & Iconography.
1)Essay on the architecture of Hindus by Ram Raz
2)The Hindu Temple by Stella Kramrich
3)Elements of Hindu iconography by TA Gopinath Rao
4)Iconography of Southern India by AC Martin

5)History of Architecture & ancient building materials in India by Satish Chandra
6)Encyclopedia of Indian Temple architecture by MA Dhaky
7)Manifestations of Shiva by Stella Kramrisch
8)Samarangana Sutradara by Pushpendra Kumar
9)Elements of Indian Art by SP Gupta

If you want to dwell deeper into the subject. Some primary sources.
10) Agni purana
11) Vishnudharmottara
12) Manasa Shilpashastra
13) Kamika agama.
14) Devatamurtiprakaranam & Rupamandanam.
The literature here is super vast. These are some which I've read/reading.