Baker oddly dead set on travelling around with old German guide (8)

I believe the answer is:

baedeker

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'old german guide' is the definition.
'Baedeker' can be an answer for 'guide' (as in Baedeker travel guides). I'm unsure of the 'old german' bit.

'baker oddly dead set on travelling around' is the wordplay.
'oddly' indicates alternate letters (letters in the odd-numbered positions are used).
'on' means one lot of letters go next to another.
'travelling around' indicates anagramming the letters.
'dead'+'set'='deadset'
The alternate letters of 'deadset' are 'ede'.
'baker'+'ede'='bakerede'
'bakerede' is an anagram of 'BAEDEKER'.

'with' acts as a link.

Can you help me to learn more?

(Other definitions for baedeker that I've seen before include "(German) travel guide" , "Travel guide author" , "publishing company" .)

I've seen this clue in The Irish Times.

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