1:25,000 is available – see this post and the one below;
[Forumosa - Taiwan's largest and most active Taiwan-oriented global online community in English … 735#194735](Topographic Maps of Taiwan - #28 by Joesox
[quote=“smithsgj”]But I didn’t know about the Road Atlas (indeed much more than a road atlas given its large scale and its Chinese name), so stand corrected. I’ll have to get hold of a copy. 2004 as well so obviously bang up to date.[/quote]They’re lovely books but quite expensive. As I noted in the other thread they’re fine for public roads but not so good for farm tracks and trails.