Kin Platt was an American writer, artist, painter, sculptor, caricaturist, and comics artist, best known for penning radio comedy and animated TV series, as well as children's mystery novels, one of which earned him the Mystery Writers of America Edgar Award.
Excerpt from Wikipedia, available under CC BY-SA 4.0.

Big Max and the Mystery of the Missing Giraffe
2006
ISBN 9780060099206
Big Max
1992
ISBN 9780060247508
Sinbad and Me
2014
ISBN 9781634177160
Brogg's brain
1981
ISBN 9780397319466
Boy Who Could Make Himself Disappear
1968
ISBN 9780801952692
Hey, Dummy
1973
ISBN 9780440935483
Frank and Stein and Me
1982
ISBN 9780590326476
Chloris and the Freaks
1976
ISBN 9780553102093
The ape inside me
1979
ISBN 9780397318636
Headman
1977
ISBN 9780318741321
The Blue Man
2005
ISBN 9781598850017
The Boy who Could Make Himself Disappear
1971
ISBN 9780440908371
Mystery of the Witch Who Wouldn't
1973
ISBN 9780440962311
The terrible love life of Dudley Cornflower
1976
ISBN 9780878881086
Chloris and the Creeps
1978
ISBN 9780440914150
Chloris and the Weirdos
1978
ISBN 9780027744804
The Doomsday Gang
1978
ISBN 9780688841430
Run for Your Life
1979
ISBN 9780440975571
The ghost of Hellsfire Street
1980
ISBN 9780440027959
Dracula, Go Home!
1981
ISBN 9780440920229
Chloris y el nuevo padre
1989
ISBN 9788485334308
A Mystery for Thoreau
2008
ISBN 9781466804388
Match Point for Murder
2012
ISBN 9781440540424