Dot Line Curve is available here online and at the following independent booksellers in Hong Kong and Macau:
Hong Kong
清明堂
九龍新蒲崗八達街7-9號27樓05室
Unit 2705, 27/F
Well Tech Centre
7-9 Pat Tat Street
San Po Kong, Kowloon
亞洲協會香港中心
香港金鐘正義道九號
9 Justice Drive Admiralty
Hong Kong
一拳書館
深水埗大南街169至171號
大南商業大廈 3/F全層
Tai Nan St, 169-171號,
Tai Nam Commercial Building, 3樓
Sham Shui Po, Hong Kong
Macau
澳門望德堂區聖祿杞街31號
Rua de S.Roque No. 31 R/C,
Freguesia de São Lázaro, Macau