There is some history of Jerusalem here. But it isn't all that good. And the author's conclusions are dubious at best.
Suppose we were to see a history of Vilnius. We'd discover that the capital of Lithuania could be claimed by Russia, Belorus, or even Poland. Of course, these places have their own capitals. But why not steal someone else's? We could make up a story that some Russian Czar once dreamed of Vilnius. That ought to give folks a right to swipe it!
And there is a demographic argument! Lithuania doesn't have as many people as Russia. Surely, we ought to bow to reality and let Russia have it. Or at least internationalize it!
The problem with the demographic argument is that the Russians have a huge land while the Lithuanians have a small one. Unless Vilnius is stolen from the Lithuanians by force, the Lithuanians are very likely to keep it.
Now, let's see if we can do a little better than Wasserstein, and apply this reasoning to Jerusalem.
The author admits that in 1910, there were about 45,000 Jews in Jerusalem as opposed to 12,000 Muslims and 12,900 Christians. Jerusalem had been the capital of the Jews for millenia, since the time of King David. And even in the mid-1870s, before Modern Zionism began, Jerualem's Jews were a majority of the population.
In 1910, we see that Jews were well over 60% of the population. They still are. Unless violence is used to get rid of them, the Jews will keep Jerusalem.
Now, it is true that we could make up a story about Mohammed dreaming about Jerusalem. Hey, we could make up a story about Mohammed's horse being born in the Church of the Nativity in Bethlehem, exactly 600 years to the day after the birth of Jesus. But would that suffice to justify swiping the Church of the Nativity?
I'm a Pagan who would be happy to see the Temple of Jupiter, Juno, and Minerva restored in Aelia Capitolina. But I can see who really lives there now. The Jews do. And the Muslims are a big minority. And the Christians have been fleeing the place, but there are still a few left. There aren't too many Polytheists around. We don't own the place. And that is what counts.
Wasserstein wants to come up with a politically correct solution that will give Muslims a right to at least share Jerusalem (oops, I mean al-Quds) equally with the Jews, or with the Jews and Christians. Well, before I consider this, I want to see a politically incorrect proposal to share Medina (oops, I mean Yathrib) equally with the Jews. Israel is not a large nation. But it has over 6 million people, including over 5 million Jews, and Jerusalem is its capital.
The author does discuss the politics of Jerusalem being Israel's capital. And he does mention the fact that every candidate for President of the United States in the past few elections has promised to move America's Israeli Embassy to Jerusalem. None have done so. This would have been an opportunity for him to advise candidates to carry out that promise or stop making it. But he didn't really do that. Instead, he implied that it would somehow be unfair and unwise for the United States, which has all its other embassies in the capitals of nations, to put its Israeli embassy in the capital of Israel.
Right now, many Muslims are happy to say that what is theirs is theirs and theirs alone, while what is not theirs is negotiable and must be shared with them or given to them outright. And there are books like this one which imply that they are being reasonable and wise to say this. But eventually, reality will catch up to them.
I don't recommend this book.