This page contains credits for various resources I have used. Mostly these are Creative Commons attributions and licence terms, but there are others.

The Rabbit Trap

For the final version of the first book trailer:

Car accelerating

Source: Freesound
Filename:
 CarV6AcceleratingInsideCabin.wav
User:
 CLaforet
Location:
 https://freesound.org/people/CLaforet/sounds/351962/
License:
Creative Commons Attribution 4.0 https://creativecommons.org/licenses/by/4.0/
Attribution: 
CarV6AcceleratingInsideCabin.wav by CLaforet — https://freesound.org/s/351962/ — License: Attribution 4.0

Wind sounds

Source: FreeSound
Filename:
 Cold wind sound effect.wav
User:
 yodaman170
Location:
 https://freesound.org/people/yodaman170/sounds/620454/
License: Creative Commons Public Domain
 https://creativecommons.org/publicdomain/zero/1.0/
Attribution:
 Cold wind sound effect.wav by yodaman170 — https://freesound.org/s/620454/ — License: Creative Commons 0

Car Crash sound

Source: FreeSound

Filename:

Kolari, autokolari / Car crash, head-on collision, cars approaching, brakes, crash, metal banging, glass breaking, mix
User:
 YleArkisto
Location: 
https://freesound.org/people/YleArkisto/sounds/270298/
License: CC Attribution 4.0
 https://creativecommons.org/licenses/by/4.0/
Attribution:
 Kolari, autokolari / Car crash, head-on collision, cars approaching, brakes, crash, metal banging, glass breaking, mix by YleArkisto — https://freesound.org/s/270298/ — License: Attribution 4.0

The QR code

It was made using the free Tec-It Online Barcode Generator:
https://barcode.tec-it.com/en
This is a demonstration site of Tec-It’s barcoding software, which they hope you will buy and incorporate into your own products. It can handle dozens of different types of barcodes. For making the occasional QR code or ISBN barcode, it’s perfect!