4 1 10 The Secrets of Droon Abbott, Tony Primary Author Merrell, David Illustrator mixed material 9780590108409 USA Scholastic INC 1999 cover_mysterious_island_the_secrets_of_droon.jpg The Secrets of Droon Abbott, Tony Primary Author mixed material 0439182980 USA Scholastic INC 2000 cover_golden_wasp_the_secrets_of_droon.jpg The Secrets of Droon Abbott, Tony Primary Author TIM Jessell Illustrator mixed material 0590108433 USA Scholastic INC 1999 cover_great_ice_battle_the_secrets_of_droon.jpg The Secrets of Droon Abbott, Tony Primary Author mixed material 0590108395 USA Scholastic INC 1999 cover_the_hidden_stairs_and_the_magic_carpet_the_secrets_of_droon.jpg