SHAAAARRRKK! That is probably the last word anyone wants to hear while swimming in the warm blue sea, but most sharks are not at all what people expect. In fact, those who think all sharks are giant, man-eating killers are in for a surprise. The compelling narrative, colorful illustrations, and captivating facts in “Surprising Sharks” reveal that sharks come in all shapes and sizes — and probably should be more afraid of humans than we are of them. The final pages include a note about sharks and an index.