Word Wizard-
1.  reluctant, "So, reluctant-like, he took Stacey's hand, and all them Logans stepped onto the bridge." Pg.38 def.- feeling or showing aversion, hesitation, or unwillingness <reluctant to get involved>; also : having or assuming a specified role unwillingly <a reluctant hero>.  My definition- to be unwilling to do something or show hesitation when asked to move. (adjective)  Christopher was reluctant ot go across the bridge because he was scared.
2.  rickety, "It wa s a rickety old thing, that wooden bridge, and it was good that it was only wide enough for one vehicle to cross it at a time." Pg.37  2a : lacking stability or firmness : SHAKY 2a <a rickety coalition> b : in unsound physical condition <rickety veterans> <rickety stairs>.
My def- something that is feeble,uneasy, and not steady. (adjective) Grandpa was afraid to sit in the rickety old chair because it might break.
3.  strutting, Pg.36
4.  ruckus, Pg.44
5.  on your own