Viper attack /
Benjamin Hulme-Cross ; illustrated by Kanako and Yuzuru.
- 66 pages : illustrations ; 20 cm.
- Mission alert .
"First published in 2017 by Bloomsbury Education"--Copyright page.
"Tom and Zilla are regular boarding school students--except when they're working as special agents for the government. Their next mission is to protect a boy who's been targeted by a criminal gang"--