4 1 10 A to Z Mysteries Roy, Ron Primary Author Gurney, Steven Illustrator mixed material 0439621771 USA Scholastic INC 2004 cover_talking_t_rex_a_to_z_mysteries.jpg A to Z Mysteries Roy, Ron Primary Author Gurney, Steven Illustrator mixed material 0590819208 USA Scholastic INC 1998 cover_the_canary_caper_a_to_z_mysteries.jpg A to Z Mysteries Roy, Ron Primary Author Gurney, Steven Illustrator mixed material 0590819224 USA Scholastic INC 1999 cover_the_deadly_dungeon_a_to_z_mysteries.jpg A to Z Mysteries Roy, Ron Primary Author Gurney, Steven Illustrator mixed material 0439052025 USA Scholastic INC 1999 cover_the_empty_envelope_a_to_z_mysteries.jpg