Those look like the who's who things they put out for a while.
I had a crapload of them when I was a kid.
You could buy them in packs, sort of like books, but not bound.
I wish I could remember what the series was called, cause I bet you could find the originals on eBay or something.
Writer and Co-Creator of "The Hurricane Kids" and "Dinosaurs Attack!"
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Also, writer/Co-Creator of "Tales From the Front"