code: func (c *Manager) GetLibraryByID(ctx context.Context, id string) (*Library, error) {
  	url := internal.URL(c, internal.LibraryPath).WithID(id)
  	var res Library
  	return &res, c.Do(ctx, url.Request(http.MethodGet), &res)
  }
docs: // GetLibraryByID returns information on a library for the given ID.