What is referred to by 'a sweet potato lookalike'?

What is associated with: a swedish novel about a laughing one of these won the 1971 edgar award as best mystery novel? Based on the clue 'a sweet cherry is named for this washington state ...', what is the answer? Based on the clue 'a sweet coating on some doughnuts or to fill with ...', what is the answer? Based on the clue 'a sweet cream ice cream with fudge dinosaurs has t...', what is the answer? Based on the clue 'a swelling under the eye or a quiet timid person', what is the answer? Based on the clue 'a swift fellow this austrians name means the speed...', what is the answer? What is associated with: a swift read at about 300 pages this 1726 novel sets sail to laputa lilliput? Based on the clue 'a swimmer kicks twice with one leg for each stroke...', what is the answer?