The Seven Songs of Merlin has 336 pages.
The Fires of Merlin has 261 pages.
Merlin Effect has 430 pages.
The Mirror of Merlin has 245 pages.
Merlin's Wood has 286 pages.
Merlin's Ring has 366 pages.
The Lost Years of Merlin has 326 pages.
The Wings of Merlin, a book in The Lost Years of Merlin series by T.A. Barron, has around 400 pages.
336
The Songs of the Kings has 245 pages.
Heart Songs has 160 pages.
Songs of the Doomed has 320 pages.
The Songs of a Sentimental Bloke has 113 pages.