Annotations by Alexey Sklyarenko

Before the family dinner in "Ardis the Second" Demon Veen (in VN's novel Ada, 1969, Van's and Ada's father) says that observation is not always the mother of deduction:

Here Ada herself came running into the room. Yes-yes-yes-yes, here I come. Beaming!

In one of her letters to Van (written after Van left Ardis forever) Ada mentions an extract of scarlet aril, the flesh of yew, just only yew:

[California? 1890]

Describing a game of Flavita (the Russian Scrabble) that he played with Ada and Lucette soon after the Night of the Burning Barn (when he and Ada make love for the first time), Van Veen (the narrator and main character in VN’s novel Ada, 1969) mentions the Benten lamp that Ada would prefer but that is out of kerosene:

The action in VN's novel Ada (1969) takes place on Demonia, Earth's twin planet also known as Antiterra. After the family dinner in "Ardis the Second" Ada mentions spies from Terra:

He kissed her half-closed lips, gently and ‘morally’ as they defined moments of depth to distinguish them from the despair of passion.

‘Anyway,’ he said, ‘it’s fun to be two secret agents in an alien country. Marina has gone upstairs. Your hair is wet.’

‘Spies from Terra? You believe, you believe in the existence of Terra? Oh, you do! You accept it. I know you!’

According to Humbert Humbert (the narrator and main character in VN's novel Lolita, 1955), as a boy he wanted to be a famous spy:

A Mr Brod or Bred whom Dorothy Vinelander (in VN's novel Ada, 1969, Ada's sister-in-law) eventually marries, travels in eucharistials and other sacramental objects throughout the Severnïya Territorii:

The father of the twins Aqua and Marina, General Ivan Durmanov (in VN's novel Ada, 1969, Van's, Ada's and Lucette's grandfather) owned lands in the Severn Tories (Severnïya Territorii):

According to Ada, a couple of hours after Demon's death in a mysterious airplane disaster she and Andrey Vinelander (in VN's novel Ada, 1969, Ada's husband) had sudden visitors at the ranch — an incredibly graceful moppet of eight, black-veiled, and a kind of duenna, also in black, with two bodyguards:

‘My upper-lip space feels indecently naked.’ (He had shaved his mustache off with howls of pain in her presence). ‘And I cannot keep sucking in my belly all the time.’

General Ivan Durmanov (in VN's novel Ada, 1969, Aqua's and Marina’s father) asked his wife why she did not call her daughter Tofana:

According to Van Veen (the narrator and main character in VN's novel Ada, 1969), one would need another book to describe Ada’s adventures in Adaland: