5
The number of books President Barack Obama is reported to have taken along for pleasure reading to Martha’s Vineyard.
2,320
The total number of pages contained in the five selections.
725
The number of pages in David McCullough’s “John Adams,” which is, by far, the most ambitious of the selections
332
The approximate number of pages Obama would have to read on each of the seven days to complete every book on the list. Better hold off on that extra round of golf, Mr. President.