At 19, Teo Xue Shen is currently the youngest author longlisted for the Epigram Books Fiction Prize since its inception in 2015. He is a sergeant in the Singapore Armed Forces after graduating from Hwa Chong Junior College. He is also a fishing and trekking enthusiast, scoutmaster and avid reader. Xue Shen wrote 18 Walls on his phone during his service in the armed forces, and his experience has i...