6 1 50 Level 1 Stuart J. Murphy Primary Author mixed material 9780064467117 HarperCollins Publishers 1997 cover_just-enough-carrot-level-1-20230220091602.jpg Stuart J. Murphy Primary Author G. Brian Karas Primary Author mixed material 9780064467018 ‎HarperCollins 1996 cover_give-me-half-mathstart-2-20230202104003.jpg Stuart J. Murphy Primary Author mixed material 9780060258788 HarperCollins Publishers 1996 cover_ready-set-hop-level-3-20230208095401.jpeg G. Brian Karas Primary Author Stuart J. Murphy Primary Author mixed material 9780064467339 HarperCollins Publishers 2000 cover_missing-mittens-mathstart-1-20230207105038.jpg Stuart J. Murphy Primary Author Brian Floca Primary Author mixed material 9780060280345 HarperCollins Publishers 2000 cover_let-s-fly-a-kite-20230202134242.jpg Stuart J. Murphy Primary Author G. Brian Karas Primary Author mixed material 9780064467094 HarperCollins Publishers 1997 cover_elevator-magic-20230202102501.jpg