Veteran Mac publisher TidBits is offering a 30 per cent discount on its series of Take Control Books this December.

The company — which sells its titles as electronic books in PDF format — is enabling the discount for any purchases that feature any one (or more) of the following titles:

Take Control of Buying a Digital Camera

Take Control of Buying a Mac

Take Control of Digital TV

The discount is good throughout the month of December. It applies to any order that features at least one of these titles.