In book two of the House of Robots series, it''s ''bot brains versus ''bot brawn in an all-out war!

Sammy Hayes-Rodriguez and his ''bro-bot'' E are making new friends every day as E works as his bedridden sister Maddie''s school proxy. But disaster strikes when E malfunctions just in time to be upstaged by the super-cool new robot on the block – and loses his ability to help Maddie. Now it''s up to Sammy to figure out what''s wrong with E and save his family!