Brochure on how to reserve lease (7)

I believe the answer is:

booklet

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'brochure' is the definition.
(synonyms)

'reserve lease' is the wordplay.
'reserve' becomes 'book' (to book something is to reserve it).
'lease' becomes 'let' (synonyms).
'book'+'let'='BOOKLET'

'on how to' acts as a link.
This may not be right. Some or all of it may be part of another bit of the clue.

Can you help me to learn more?

(Other definitions for booklet that I've seen before include "Small publication" , "Thin publication" , "Brochure" , "Small printed volume" , "Small manual" .)

I've seen this clue in the Sydney Morning Herald.

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