What am I?

I have no voice but I can teach you all there is to know. I have spines and hinges but I am not a door. Once Iโ€™ve told you all I cannot tell you more.


Riddle of the Day

Mar 17, 2026

If itโ€™s information you seek, come and see me. If itโ€™s pairs of letters you need, I have consecutively three. What am I?

๐Ÿ‘€ Reveal Answer