There are many books. Depending on your research area, you can choose the suitable ones. I work in medicine and pharmaceutical sciences, so I recommend some recent books:
- Nanotechnology for Oral Drug Delivery: From Concept to Applications (2020)
- Nanocarriers for Drug Delivery: Nanoscience and Nanotechnology in Drug Delivery (2019)
- Pharmaceutical Nanotechnology, 2 Volumes: Innovation and Production (2017)