He did not have a terribly long run on Batman as a penciller, although he did quite a few covers, especially in the mid-1970s. I'm pretty sure he was more noted as an inker. But what he did do, was choice. For example, he illustrated the opening story in Detective #500, To Kill a Legend, which is an absolute classic. The Phantom Stranger offers Batman an odd opportunity. On a parallel world, time is lagging about 20 years behind. Thomas and Martha Wayne are about to be murdered. Does he want to prevent the murder?
But Robin tags along anyway. And it appears to be a good thing as he discovers something odd about this other world:
Gradually, he comes to realize that this may be the parallel world's one chance to develop a superhero tradition. Is Batman going to prevent that from happening?
But Robin notices something else:
In the end, though, Batman wins the argument:
He prevents the murder of the Waynes and his sudden appearance has a surprising effect on young Bruce:
Just a wonderful story, with a terrific ending.