Claim: Princess Agents was based on a novel.
Evidence: Princess Agents -LRB- Chinese : 特工皇妃楚乔传 -RRB- is a 2017 Chinese television series based on the novel 11 Chu Te Gong Huang Fei -LRB- 11处特工皇妃 -RRB- written by Xiao Xiang Dong Er.