he had already mapped out his plans for each day of the weeklong vacation break : to explore the rich vein of shellfish fossils he had discovered in the rock quarry behind his house , to attend a signing by one of his favorite physicists , who had a new book out called strange quarks and deeper quantum mysteries , to listen to the fourth lecture by a famed anthropologist on the cannibal tribes of borneo ( who knew sauteed eyeballs tasted sweet ?