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jormis29
Since: Mar, 2012
Terrie
Since: Apr, 2011

I read the book late 80s/early 90s. Three siblings or cousins and their honorary uncle or godfather or other "relative who's not actually blood related" type. The main thing I remember is the adult granted the kids abilities. One of them got the ability to read body language so well it was almost like mind reading. The youngest got a connection to an alien that was a little like a tribble.