Some Battle of the Atlantic books introduce rather than exhaust

How does a popular Battle of the Atlantic book compare with Brian Lavery's work?

He treats the popular work as a readable introduction that brings attention to the campaign, but prefers Lavery for detail and balance.

The popular account draws readers toward the Battle of the Atlantic, but it omits or underplays ships and groups that deserve attention, including Tribal-class destroyers. Its German-side emphasis makes it a useful entry point rather than a complete account. Brian Lavery's work is the stronger choice for greater detail and balance.