Viper Union patch SP build.

Just o be clear:
A Skill Level 20 can be only exchanged for another Skill Level 20 book right? or can I trade a 20 for a 30?

Just o be clear:
A Skill Level 20 can be only exchanged for another Skill Level 20 book right? or can I trade a 20 for a 30?

Any pirate or thief 20/30 book can be traded for any other 20 OR 30 pirate or thief book e.g. torpedo 20 -> energy blast 30, boomerang step 30 -> quad throw 20, but not torpedo 20 -> quad throw 20.