guidebooky
/ˌɡaɪdˈbʊki/Definitions
1. adjective
unconventionally or inadequately resembling a guidebook
“The overly enthusiastic tour guide was being very guidebooky, making sure everyone knew the exact location of every minor landmark.”
2. noun
a person who is uncharacteristically guidebook-like in their behavior or approach
“After reading so many travel guides, he became a bit of a guidebooky in the group, always knowing the best routes to take.”