Possible Clues:

• Alexander..... wrote 'The Three Musketeers'
• 'The Count of Monte Cristo' author
• French author of 'The Three Musketeers'
• Hugo contemporary
• Alexandre ---, wrote Count of Monte Cristo
• Alexander ..... wrote ` `The Three Musketeers' '
• 'Three Musketeers' author
• His last novel was published in 2005
• French pair who wrote of house in Moscow
• Author of 'The Three Musketeers'