I pretty much wanted to give some John Collier a go just because of the name, although there's no relation as far as I'm aware! On the whole these were pretty good,   they're quite whimsical and there's often no effort made to explain away the more fantastical elements of the story: these things simply happen because that's the way they happen. Maybe explaining magic is more of a modern style, but it was a little jarring for me to not know what I was supposed to be questioning, and what was just to be accepted as part of the story's internal logic. Some of the endings fell a little flat for me too, I could tell there had been a twist, or it ended on a witty remark, but I couldn't quite make out what the twist had been or what exactly the remark signified. Again, it's probably just the style of storytelling that I'm not used to, but I'm used to ambiguous endings and this was different. It felt like I'd missed something that the reader was clearly expected to pick up. 

They're not bad stories though, maybe not completely to my taste but they're fairly light and some of the characters are very entertaining.