Lam Wing-kee at Causeway Bay Books' former location in Taipei, Taiwan.Huileng Tan/Business InsiderLam Wing-kee relocated Causeway Bay Books from Hong Kong to Taipei.The bookstore, known for selling books critical of the Chinese Communist Party, moved to a cheaper location in Taipei.Despite slow sales, Lam remains committed to promoting freedom and democracy in Taiwan.Running a bookstore is a tough business anywhere in today's digital world — running one that sells books critical of the Chinese Communist Party even more so.Lam Wing-kee, who helms Causeway Bay Books, an independent bookstore in Taipei, knows this well."I am losing money every month," the 68-year-old told me in Mandarin over a can of Taiwan Beer at his bookstore on a balmy afternoon in late June.It was a few months before his shop would be relocating — Lam's lease was coming up, and the landlord wanted his shop back.