When the only way to get at a target is by using a child, MI5 bring in special agents Tom and Zilla to help.

Something is going on at Greyfields nuclear power plant and Tom and Zilla need to find out what.

Can they sneak into a camp of anti-nuclear protesters and foil the plans of a Russian spy?

Bloomsbury High Low books encourage and support reading practice by providing gripping, age-appropriate stories for struggling and reluctant readers, those with dyslexia, or those with English as an additional language.

Printed on tinted paper and with a dyslexia friendly font, Mission Alert is aimed at readers aged 8+ and has a manageable length (72 pages) and reading age (7+).

This collection of stories can be read in any order. Produced in association with reading experts at CatchUp, a charity which aims to address underachievement caused by literacy and numeracy difficulties. Book band: Brown