The city has published the Brooklyn-Queens Greenway Guide. It takes you through a ride starting in South Brooklyn and ending in North Queens. It's looks like it's for experienced riders only, which rules me out.
It includes a nice section on Forest Park and the surrounding area (Forest Hills) starting on page 36. We're lucky to have Forest Park and this blog will promote many of the cool features (horse stables, golf course) and events throughout the summer. Stay tuned.