Challenge of the Super Sons (Challenge of the Super Sons #2)

Wait a minute... weren’t the Super Sons just here? In OUR time? Blink and you missed Robin and Superboy’s mysterious trek to the outskirts of time, where the development of the deadly DOOM SCROLL spells disaster for these dudes! What did the boys learn when they were whisked away? Why on earth do they have to save THE FLASH from instant death?! Tune in for the next chapter in the most epic odyssey Robin and Superboy have ever been on!