- X in Flight
- X Marks the Spot
- X Y Z
- X'lent Tales
- X-Finney Ataca De Nuevo: Superhéroes y Villanos
- X-Finney colpisce ancora
- X-Finney Strikes Again
- X-Finney Volta a Atacar
- X-Isle
- X-Men - Dark Phoenix Saga
- X-Men: Gold 3 - Macht's noch einmal… X-Men
- X-plosion
- X-teens A Misteriosa Cidade Subterrânea
- X.TRA
- X5
- Xa non estou aquí
- The Hammer of Asttar
- Xandra: A ShortBook by Snow Flower
- Xanto
- Xavier Fox - X Focused Story
- Xavier Had Odd Behaviour
- Xavier's Treasures
- Forensics: DNA Doesn't Lie (X-Books)
- XCalibur
- XCED Presents: Better Together
- XCOM 2 Game Guide
- XCOM Enemy Unknown Game Guide
- Xenia, #KeepCalm
- Xenoblade Chronicles 2, Special Edition, Characters, Rare Blades, Pyra, Walkthrough, Game Guide Unof...
- Xerus Won't Allow It
- Xingu And Other Stories
- Xinguara
- Xinia's wraak
- Xirianas gåta
- Xivaren malkoak
- XL
- Xmas
- XO, OX
- Xochiquetzal and Popoca. The Legend of the Volcanoes
- Xochiquetzal y Popoca. La leyenda de los volcanes
- Xochitl Uchitelnitza
- XOXO
- Xoxo Dan
- Xposure Science 2009
- XVI
- XXL-Leseprobe: EXIT NOW!
- XXL-Leseprobe: Verrückt nach New York - Band 1
- Xylo, el náufrago
- X尋寶探險隊 (1) 木乃伊軍團
- X尋寶探險隊 (10) 群獸亂鬥
- X尋寶探險隊 (17) 航行巨殼島
- X尋寶探險隊 (18) 狂戰士之種
- X尋寶探險隊 (2) 迷宮中的牛頭人
- X尋寶探險隊 (3) 深海喪屍
- X尋寶探險隊 (4) 無敵巨神兵 印度.神靈.濕婆
- X尋寶探險隊 (5) 鯊魚騎士 馬來群島.所羅門王寶藏.海盜
- X尋寶探險隊 (6) 一億噸的巨獸
- X尋寶探險隊 (7) 決戰龍穴
- X尋寶探險隊 (8) 天狗妖怪城 日本.富士山.妖怪
- X尋寶探險隊 (9) 黃金守護神