What to have students read after Captain Underpants:

Time Warp Trio by SciezkaFranny
K Stein by Jim Benton
Ghosts of Fear Street, Rotten School, or Goosebumps by R.L. Stein
Beverly Cleary books
Joanna Hurwitz books
Dan Gutman books
Junie B Jones by Barbara Park
Bunnicula by James Howe
Wayside School by Louis Sachar
Andy Russell by D. Adler
Horace Splattly the Cupcaked Crusader by Lawrence David
The Zack Files by Dan Greenburg
Geronimo Stilton
Hank Zipzer by Henry Winkler
Joey Pigza by Jack Gantos