New Ideas from Dead Economists: An Introduction to Modern Economic Thought, by Bucholz and Feldstein
The Worldly Philosophers: The Lives, Times And Ideas Of The Great Economic Thinkers, by Heilbroner
And for a readable sample of the economists' thought in their own words, there's:
Teachings from the Worldly Philosophy, by Heilbroner
New Ideas from Dead Economists: An Introduction to Modern Economic Thought, by Bucholz and Feldstein
The Worldly Philosophers: The Lives, Times And Ideas Of The Great Economic Thinkers, by Heilbroner
And for a readable sample of the economists' thought in their own words, there's:
Teachings from the Worldly Philosophy, by Heilbroner