Land of Nod Series by Gary Hoover

Jeff Browning has been haunted by terrifying dreams since the mysterious disappearance of his father (a renowned physicist). But when he finds a portal in his father’s office, he must overcome his fears in an attempt to find him.The portal takes him to another dimension – one populated by fantastic and dangerous creatures and also an advanced society of humans... moreJeff Browning has been haunted by terrifying dreams since the mysterious disappearance of his father (a renowned physicist). But when he finds a portal in his father’s office, he must overcome his fears in an attempt to find him.The portal takes him to another dimension – one populated by fantastic and dangerous creatures and also an advanced society of humans.As Jeff looks for clues regarding what may have happened to his father, he is accused by some of being a spy while thought by others to be a prophesized figure . . . who may be the key to victory in a developing war. less

Jeff Browning continues his quest to find his father in the strange new world he has discovered. His journey takes him across a savage wilderness in which danger is inescapable. While Jeff searches for The Prophet, his friend, Artimus, faces a less obvious but just as deadly maze of political conspiracies as he tries to convince a reluctant public that the invasion he helped thwart was only the beginning of a much more serious threat. War is coming.

Jeff Browning needs every one of his newfound powers to face increasingly difficult challenges as he travels across an ocean for an inevitable showdown with a ruthless warlord. Jeff believes the fate of the world that has adopted him depends on his success, and he is determined to find his father and go home – or die trying.