Lie detectives

"It's just another boring assembly until top inventor Darius Marriott comes to give a talk. But what makes Darius collapse in front of the whole school? And why does Bullet seem so personally concerned? Ricky, Theo and Angela are determined to find out exactly what's going on - but that could prove harder, and more dangerous, than they think. 9-11 yrs."@en
"It's just another boring assembly until top inventor Darius Marriott comes to give a talk. But what makes Darius collapse in front of the whole school? And why does Bullet seem so personally concerned? Ricky, Theo and Angela are determined to find out exactly what's going on - but that could prove harder, and more dangerous, than they think."@en
"When top inventor Darius Marriott arrives at a school assembly, everything suddenly becomes a bit too exciting. What makes Darius collapse in front of the whole school?"
"Theo, Ricky and Angela are suspicious when their friend Bullet discovers his dad is a multi-millionaire. Is Bullet's dad really all he seems? Theo, Ricky and Angela learn the shocking truth."@en