Charles Schulz hand-drawn sketch of Snoopy with a heart symbol, filling up a full page from ''You Don't Look 35, Charlie Brown!''. Rendered in black felt-tip, sketch is inscribed, ''For Rosa, Audrey, Laurie and Jurvis with love and friendship - / Charles M. Schulz (Sparky)''. Sketch appears on the front free endpaper of the book, a first edition published in 1985 by Holt, Rinehart and Winston. Measures 7.25'' x 9.5''. Minor smudge to ''Sparky'', else near fine. From the estate of writer Laurie Colwin.