烏鴉機密對決倫敦塔的烏鴉不見了﹙烏鴉在英國是吉祥的象徵，英國人相信烏鴉若不見，英國就會走向滅亡﹚！這可是大是一樁啊！這些烏鴉飛去哪裡了？這會是Mac B.最棘手的案件嗎？Mac B.跑到冰島查案，在冰島發現祕密的潛水艇、餓扁的北極熊和神秘的計劃藍圖。烏鴉消失案是宿敵KGB﹙俄羅斯情報局﹚在背後搞鬼嗎？Mac B.能安全找回烏鴉嗎？Mac B. is back on another madcap adventure -- this time a stolen raven threatens to topple the Queen and it's up to Mac to smackdown his KGB rival once and for all!Get the latest in the New York Times bestselling series, MAC B., KID SPY!Ravens have been stolen from the Tower of London! Mac B.'s top-secret mission? Travel to Iceland and retrieve the ravens... or Britain is ruined!In Iceland, Mac discovers secret submarines, hungry polar bears, mysterious blueprints... and his old archnemesis! Is the KGB man behind this birdnapping? Can Mac get the ravens to safety? It's time for an epic, top-secret smackdown between these two secret agents! With full-color illustrations on every page and fascinating historical facts woven throughout, this series offers adventure, intrigue, absurdity, history, and humor. Catch the latest in the totally smart and sidesplittingly funny series, Mac B., Kid Spy.

Mac Barnett Mac Barnett is the author of several books for children, including Extra Yarn, illustrated by Jon Klassen, a Caldecott Honor Book and winner of a Boston Globe-Horn Book Award; The Wolf, the Duck, and the Mouse, a New York Timesbestseller; and Sam and Dave Dig a Hole, a Caldecott Honor Book and winner of the E. B. White Read Aloud Award. He is the co-author, with Jory John, of the New York Times bestselling series The Terrible Two. Mac Barnett lives in California. Mike Lowery Mike Lowery, creator of the Doodle Adventures series and The Kid's Awesome Activity Calendar, is an illustrator whose work appears in everything from greeting cards to children's books. He lives with his wife and two children in Atlanta, Georgia.