Amazon has the Dog Man: Lord of the Fleas: From the Creator of Captain Underpants (Dog Man #5) marked down from $9.99 to $4.27 with free shipping. That is 57% off retail! Plus, Amazon is offering $5 off ANY $20 book purchase with code NOVBOOK18 through 11/25. Amazon pricing changes frequently, so this deal may expire at any time. See the Amazon Black Friday Deals!