Fun with Phineas and Ferb Collection

This collection contains two copies each of (all titles are paperback, except where noted):
Phineas and Ferb #1: Oh, Christmas Tree!
Phineas and Ferb #2: My Funny Valentine
Phineas and Ferb #3: Haunted Hayride
Phineas and Ferb #4: Thumbs Up!
Phineas and Ferb #5: Just Squidding
Phineas and Ferb #6: The Best School Day Ever
Phineas and Ferb #7: Christmas Vacation
Phineas and Ferb #8: The Easter Eggs-travaganza
Phineas and Ferb Chapter Book Box Set (Books 1-3)
Phineas and Ferb #1: Speed Demons (Phineas and Ferb Chapter Book)
Phineas and Ferb #3: Wild Surprise (Phineas and Ferb Chapter Book)
Phineas and Ferb #4: Thrill-o-rama! (Phineas and Ferb Chapter Book)
Phineas and Ferb #5: Big-Top Bonanza (Phineas and Ferb Chapter Book)
Phineas and Ferb #6: Daredevil Days (Phineas and Ferb Chapter Book)
Phineas and Ferb #7: Freeze Frame (Phineas and Ferb Chapter Book)
Phineas and Ferb #8: It's Ancient History! (Phineas and Ferb Chapter Book)
Phineas and Ferb: Agent P's Top-Secret Joke Book (A Book of Jokes and Riddles)
Phineas and Ferb Junior Graphic Novel No. 2: The Chronicles of Meap
Phineas and Ferb: Across the 2nd Dimension
Phineas and Ferb Laughapalooza Joke Book
Phineas and Ferb Comic Reader: Hey, Where's Perry?
Phineas and Ferb Comic Reader #5: Quantum Boogaloo!
Phineas and Ferb Comic Reader #4: It's About Time!
Phineas and Ferb Comic Reader #6: The Beak Strikes!
Phineas and Ferb: Runaway Hit
Phineas and Ferb Junior Graphic Novel No. 1: Nothing but Trouble