In a world where anyone can rise to the top, the only rule is... watch your back, in Sadie Hayes' The Social Code.

Eighteen-year-old twins Adam and Amelia Dory learned the hard way to rely only on each other, growing up in a small town where they understood the meaning of coming from nothing. But everything changes when both are offered scholarships to Stanford University - and catapulted into the dazzling world of Silicon Valley, where anyone with a good enough idea can skyrocket to fame and fortune in the blink of an eye...

Amelia is almost as...