Collects Excalibur (1988) #51-58 and the Excalibur: XX Crossing one-shot Secrets of the Phoenix-Force! Dinosaur subplots resolved! Captain Britain and Spider-Man vs. a pack of human dogs! These and other astonishments await as co-creator Alan Davis takes Excalibur into space and down the rabbit hole! Plus: a battle with the X-Men across time and a team-up with the X-Men against Trolls!