Please Get Sign
From Starbounder - Starbound Wiki
Please Get Sign is a decorative wall object. It's given by the a Glitch Solider after picking up the quest The Good Book. The solider cannot speak, so hands this sign as a way to request the player retrieve the pictured book.
In The object on the sign is a Glitch Codex, which is found inside either a Glitch Castle or Glitch Village. The book can be found in both settlements as a decoration, and returning it to the soldier will complete the quest and reward a Tech Card.