迷失百科全書是一本官方發佈的書藉，由DK出版社於2010年10月18日出版。百科全書的作者是Tara Bennett和Paul Terry，而書中亦含有製作人Damon Lindelof和Carlton Cuse撰寫的前言。百科全書的內容是認可的，並含有新資料以交代劇中不明確的地方。
Content[]
The book contains no new storyline information but clarifies previous gray areas. Bennett said many fans may be surprised by some of the clarifications enough to where they would deem them new information. The book is set up as an "in universe" book organized alphabetically and features no behind the scenes information. It does, however, feature many never-before-seen photographs, maps and other items and locations used during the filming process.[1][2]
Errors[]
According to author Tara Bennett, she and co-author Paul Terry ran all of the book's contents by Lost writer Gregg Nations. When questions remained, said Bennett, they consulted Damon Lindelof and Carlton Cuse themselves. Despite this, the book contains several errors.
In addition to some inconsistencies with what was seen on-screen, numerous copyediting errors appear throughout the body of the book. Beyond having many grammatical and spelling errors, there are several sections of the book where it appears that an early draft of a statement co-exists side by side with the final draft of the same statement.
Promotional samples[]
新揭露的資料[]
百科全書除了包含已知的內容外，亦包含了一些新揭露的資料，當中有部份解釋了在劇中仍未解決的謎團，也有部份確定了沒有在劇中明確交代的事情：
故事線[]
- 所有留在九頭蛇島的316航班生還者都是被Widmore隊殺害。
- Widmore是發起肅清事件的人。
- Eloise離開小島是因為她要生Daniel。
- Libby在澳洲是因為她在旅行，而到洛杉磯是因為她要回家。
- 黑衣男在Jacob死前可以同時變成兩個不同的形象。
時間線[]
- 肅清事件在1987年發生。
- Bésixdouze號科研隊在1987年離開大溪地。
角色下場[]
- Annie在DHARMA疏散時離開了小島，並沒有再回來。
- Pierre、Amy和Jerry都在肅清事件中被殺。
- JD和Michelle都在815航班墜毀時死亡。
- Amelia在傭兵隊尋找Ben時不幸被殺。
- Craig在沙灘火箭襲擊事件中被殺。
- Cindy、Emma和Zack都在沙灘炮彈襲擊事件中倖存。
角色名字[]
- Eloise不想Widmore找到Daniel，所以把他的姓氏改為Faraday。
- Ethan加入了「其他人」後改姓氏為Rom。
- Finney的全名為Clark Finney。
- Libby的丈夫姓氏為Smith。
- Lizzy的全名為Elizabeth Calloway。
- Ajira航空316航班的副飛行員名字為Peter Ross。
- Sarah的本姓為Wagner。