I've been trying to find "All Summer in a Day". I've found it posted online, but I can't figure out which book it's published in. Can anyone help?

http://home.wlv.ac.uk/~in5379/storiesDB.htm

Compliments of our meticulous, transoceanic, Bradburian bibliographer, philnic.

This (video) many times posted:
http://video.google.com/videos...m=4&ved=0CB0QqwQwAw#