Buying books can become an expensive hobby! There are cheaper options available, for example from charity shops, and of course they are FREE to borrow from libraries.
If you are unable to visit the library, you can join and receive books online using this link:
https://www.knowsley.gov.uk/residents/libraries/ebooks-and-eaudiobooks
Here are some links to FREE online books to enjoy at home:
https://researchrichpedagogies.org/_downloads/Top_Ten_Digital_Books.pdf
https://stayhome.walker.co.uk/rainbows/
https://literacytrust.org.uk/family-zone/9-12/book-hopes/
https://indd.adobe.com/view/0f834b3c-c44c-439d-be0d-2fb7de5d6caf
https://www.oxfordowl.co.uk/for-home/find-a-book/library-page/#