Remembering the Kanji, Vol 3: Writing and Reading Japanese Characters for Upper-Level Proficiency is the 3rd volume in James Heisig's popular and controversial series. Co-written with Tanya Sienko, Volume 3 covers an additional 1000 advanced level kanji, bringing the total kanji covered by the series to 3000. This ebook version is good value - I found it on the White Rabbit Press website for $US12.98 (delivered on CD) and considering the paperback is presently unavailable on Amazon it may be your only chance to get your hands on Vol 3 if you don't live near a major bookstore. The blurb on White Rabbit Press says:
This 491 page ebook covers just over 3,000 advance level kanji. Also included are the indexes of both Remembering the Kanji, Volumes 1 and 2 for a total of 639 pages.
but Volume 3 only covers the additional kanji from 2000~3000, NOT the whole 3000. Even so, good stuff.