The Ickabog by JK Rowling

Family Zone at the Literacy Trust

Free e-books

Masterclasses direct from authors

Author read alouds

Storytime with Harper Kids

Storytime by Storytellers

Online author events

Storytime from the International Space Station

Reading at Home Guides from the Book Trust

British Library Author Interviews

Audible (have made childrens books free for a period)

There are some great Twitter hashtags for parents to follow to access more resources. Authors are adding more every day, here are some examples:

#freebookresources

#DrawWithRob

#schoolclosuresuk