According to a tweet by National Online Safety, it(National Online Safety) is offering a free internet safety storybook for primary school children. See the screenshot and the link to download the storybook below.
The caption reads;
PARENTS! Have you got your FREE internet safety storybook for primary school children yet? 
Just fill out our short survey about your child’s online activities to download your copy: https://nationalonlinesafety.typeform.com/to/S1mkvg #FreeBook #Parenting #Free #Parents
