From Amber Collins, mistress of size tales, comes the most extensive collection of her works to date: The Ultra Collection. This volume contains all of her tales of macrophilia and microphilia, amounting to almost 80 stories which includes: 

   Date Night
Interview with a Giantess
Kate’s Birthday Present
Late Night Size Club
Lauren’s Invention
Let’s Park
Nerdy Girl Gets Even
Shrink Ray on Campus
Shrink The Abuser
Sidetracked Scientific Breakthrough
The Billionaire
The Businesswoman
The Cake Baker
The General’s Daughter
The Hotel
The Lab Accident
The Lady Collector
The Resizing App
The Size Lounge
The Size Resort
The Teacher’s Conference
The Wife’s Boyfriend
The Work Retreat
Shrunk By Witches
Plaything
Melissa’s Bedroom
50 Sizes Smaller
Roxanne’s Gift
Size Ray University
The Princess
Sorority Sisters
Lady Christina’s Circus
Never Drink from Unknown Bottles
Keri’s Potion
The Inmate
Shrink Prison
Friends with Benefits (and a Shrink Ray)
Naughty Uses for a Shrink Ray
Shrinking in Hotel Rooms
The Gaming Babe
Booth Babes
The Fairy in the Woods
Shrunken in Space
Get Off, Get Small
Get Off, Get Big
Small Package
Honeymooning with a Shrink Ray
Under Stacy’s Feet
Under Miranda’s Feet
Gym Formula
Olympic Formula
The Dollhouse Maker
The Lab Accident 2: The Cabin
Shrinking in Hotel Rooms 2: The Adult Film Expo
Shrink Assassin
Shrinking at the End of the World
Giantess Spa
Something in the Water
Giantess Planet
The World Beneath Her Feet
Shrink Therapy
Air BnB
Ali’s Secret Fantasy
Jasmine’s Big D Formula
Lesbians with a Shrinking Gun
Madison and Jimmy Get Shrunk
Miss Amber’s Escort Service
My Stepmom’s Size Gun
Shrinking the Competition
Size Thieves
Teacher’s Pets
The Candle
The Cat Burglar
The Giants in the Lab
The Photographer
The Short Couple
The Suit
The Tiny Weekend
His Growing Neighbor