https://archive.org/details/Write_Your_Own_Adventure_Programs_1983_Usborne
(https://ia601707.us.archive.org/BookReader/BookReaderImages.php?zip=/27/items/Write_Your_Own_Adventure_Programs_1983_Usborne/Write_Your_Own_Adventure_Programs_1983_Usborne_jp2.zip&file=Write_Your_Own_Adventure_Programs_1983_Usborne_jp2/Write_Your_Own_Adventure_Programs_1983_Usborne_0002.jp2&scale=4&rotate=0)
Pretty cool, Brant. BASIC, how we miss ye.