Hello Aspirant,

Here you will find the drive link for the biology book.

https://drive.google.com/drive/folders/1FdQ3OVJU-Hl6a8IFWrZt-S2Krt8hlQOv

https://drive.google.com/drive/folders/1xLKjGOMekoew8aB1zyT1aEFkb1K9pikx

https://drive.google.com/drive/folders/11wCtrbVM9g-dZD5VdeLVmfbJF3xoC08g

I hope you will find this links useful.

Good luck