Ranger, a golden retriever, could have been a great search-and-rescue-dog except for the squirrels--but one day he unearths a mysterious box and finds himself transported back to the year 1850 where his faithful service is really needed by a family traveling west along the Oregon Trail.

Kate Messner is the author of The Seventh Wish; All the Answers; The Brilliant Fall of Gianna Z., winner of the E. B. White Read Aloud Award for Older Readers; Capture the Flag, an SCBWI Crystal Kite Award winner; Hide and Seek; Manhunt; and the Ranger in Time and Marty McGuire chapter book series. A former middle-school English teacher, Kate lives on Lake Champlain with her family and loves reading, walking in the woods, and traveling. Visit her online at katemessner.com.