Below are some sites which offer free access to wonderful reads

www.booktrust.org

https://www.booktrust.org.uk/books-and-reading/our-recommendations/100-best-books/

https://www.booktrust.org.uk/books-and-reading/bookfinder/

www.oxfordowl.co.uk

www.cornerstoneseducation.co.uk Love to Read guides for Y3-6"