Charles P. Benton of Houston, Texas writes:

"The inaccuracy of this strip is appalling. Are you aware that in real life, penguins are much, much larger than frogs? I bet you haven't even seen a real penguin before."

Charles - what was I thinking! Thank you for pointing out this discrepancy. Immediately after reading your letter I logged on to Wikipedia and researched both penguins and frogs. I even researched bombs. Here is a more realistic strip:

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