I will do 2/1 on these.

Bob Balaban: It's a Dog's Life  and   McGrowl:Beware of Dog

Will Hobbs: Beardance   and   Bearstone

Gordon Korman: Fugitive Factor (on the run #2)    and    The Stowaway Solution (on the run #4)

Max Lucado: He Chose the Nails,   It's Not About Me,     Next Door Savior   (I'll do 3/1 on these)

Phyllis Reyn Naylor: Shiloh Season    and   Saving Shiloh

Tommy Tenney: Chasing God,Serving Man      and    The God Catchers

Harry Turtledove: Through the Darkness    and    Rulers of the Darkness

Henry Winkler: (all Hank Zipzer books)  Day of the Iguana,  Help! Somebody Get Me Out of Fourth Grade,  I Got a D in Salami,  Zippity Zinger,  The Secret of a Ping Pong Wizard, The Night I Flunked My Field Trip,   Summer School! What Genius Thought That Up?