MacLennan said: 'We have been taking a large number of calls from interested parties for the business and have already issued 40 sales packs.
'A closing date for offers has been set for February 28. I am delighted with the level of interest, which reflects the strength of the brand and augurs well for the sale of the business as a going concern.'
The retailer, one of the UK's leading high street discount book chains, had a turnover of£30 million. Tenon is continuing to trade the business while managing the sale process.
Rival discount book chain The Works is understood to be interested in acquiring several of the locations.