Choose Your Own Adventure/Which Way/Twistaplot Books Vintage Lot of 16

Choose Your Own Adventure:

#39 Supercomputer- Discoloration on inside covers. Small price written on front cover. Price sticker pulled off on upper right corner. No writing inside.
#11 Mystery of the Maya- Slight discoloration on front. No writing inside.
#7 The Third Planet From Altair- small price written in pencil in inside covers
#15 House of Danger- great shape. Normal shelf wear

Twistaplot:
#3 The Formula for Trouble- name written on inside
#9 Horrors of the Haunted Museum- no writing inside. signs of shelf wear on binding but binding still tight.
#4 Golden Sword of Dragonwalk- name written on inside cover. excellent condition. Back cover small fold on upper back cover.

Which Way Books:
#1 The Castle of No Return- no writing.
#2 Vampires, Spies and Alien Beings-
#3 The Spell of the Black Raven
#4 Famous and Rich
#5 Lost in a Strange Land
#7 Curse of the Sunken Treasure
#8 Cosmic Encounters
#9 Creatures of the Dark
#10 Invasion of the Black Slime and other Tales of Horror