Robot rampage /
by Greg Farshtey.
- New York : Scholastic, c2013.
- 137 p. ; 20 cm.
- LEGO Hero factory. Secret mission ; #4. .
Stormer sends Bulk and Furno to investigate why their planet can no longer communicate by radio and to find out what happened to Stringer, who sent a warning message from Tranquis VII and then vanished.