MS Access Query Question

I have two ms access tables Clients and CareerCodes.

The CareerCodes table I have a clientkey column which corresponds with the appropriate client key in the clients table.

What i want to do is Select * From Clients and join the CareerName from the careercodes table.

I already started working on a query to do this but there is one problem. Sometimes the careercode in the client table is set to 0. In this case there will be no corresponding record in the careercodes table. My query will not bring back those client records because it expects a match on the join criteria.

I need to join CareerCodes.CareerName on Client.ClientKey = careercodes.ClientKey but when there is not corresponding record in careercodes i still need to list the clients record. I don't really care what shows up in the CarreerCodes.CareerName column because i will know there is no career when i see that the client.careercode = 0.

Could somebody give me an example query where it will bring back all of the clients even when there is not a corrisponding record in the career table. I am looking for a solution that will bring back one record per client regardless if they have a corresponding careercode or not, we can dummy in empty strings in the careername column when there is no corresponding record.

Thanks