The Brave and the Bold #13, 2008
Mark Waid and Jerry Ordway... okay, two reasons to pick it up right there.
Teams up Batman and the Jay Garrick Flash... two more reasons to buy the issue.
They used one of the Flash logos from the 40s? Sold. Hey, I'm a graphic designer, logos are part of my vocation.

Batman is investigating a murder when an assassin almost kills him from behind. He fights back and learns quickly that it's an android. The thing begins to disassemble right in front of his eyes. Batman knows that it's someone fast enough to be invisible, but while he suspects Clark or Diana, he's surprised to see that it's Jay Garrick, who came to town to investigate the murdered man, a friend of his named Philip Lerner. It turns out that the man was killed and Wayne Enterprises is being bullied by someone trying to buy some rare chemicals used for the AI that controlled the android attacker. Batman actually invites Jay along to help him investigate. How long has it been since Batman was anything but arrogant and always insisting he works alone? It's good to see a different approach.
Meanwhile T.O. Morrow and the Penguin are working together to activate an army of robot samurai that Morrow had created once. Yeah, robot samurai. I love the absurdity of comics.

There are some good character scenes between Bruce and Jay as they discuss drawing his enemies out into the open. Jay has had a number of proteges both in and out of his superheroics. He talks about not being able to go on forever and about being comfortable passing the baton, but Bruce won't engage him on the topic. Jay goes to patrol the grounds of Wayne Manor when the Samuroids attack en masse. They retreat to the Batcave, where Jay decides to try making a chemical concoction that will counteract the microchemicals controlling the robots. Batman gives him a slightly sarcastic "yes sir" when Jay suggests a plan of action. Batman fights a losing battle against the Samuroids while Jay prepares the attack, and it works. They deactivate the androids and trace them back to T.O. Morrow and destroy the factory and all his androids. We get a nice final scene where Batman tells Jay how much he respects him, and Jay tells Batman that he's a great sidekick.
And herein lies the value in a team-up book like this: the writer gets to throw two disparate characters together and bring out some different aspects of their characters than we'd normally see. People don't earn Batman's respect easily, and we don't see him express it often. It's a good story, with some great Jerry Ordway art, and it's nice to see Batman not behaving like a complete jerk for once.
edit: ah, I see where Mark Waid got the Samuroids, and that the Batman pose on the cover is a visual tribute to Flash's pose in this cover: http://speedforce.org/2015/07/digital-samuroids/