Marlo, Ed: Estimation ©1962 Edward Marlo, Magic, Inc., Chicago, IL Softcover, saddle-stitched, 5.5x8.5", 80 pages

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Comments: Chapters 13 & 14 of Revolutionary Card Techniques
The chapters of Marlo's Revolutionary Card Technique include (info courtesy Genii's Magicpedia):
Chapter 1 Miracle Card Changes (1954)
Chapter 2 Action Palm (1956)
Chapter 3 Fingertip Control (1956)
Chapter 4 Side Steal (1957)
Chapter 5 The Tabled Palm (1957)
Chapter 6 The Faro Shuffle (1958)
Chapter 7 Faro Notes (1958)
Chapter 8, 9, 10 Seconds, Centers, and Bottoms (1960)
Chapter 11 The Multiple Shift (1961)
Chapter 12 Card Switches (1961)
Chapter 13, 14 Estimation (1962)

Contents (page numbers added courtesy Philippe Billot, magicbooks.be):

1 Introduction

2 Part I Mechanical Estimation
2 First Method - The Comparison Method
3 Second Method - The Automatic Gauge Method
4 Variation of Automatic Gauge
6 Third Method - The Nail Gauge
7 Nail Gauge Variation
8 Fourth Method - Marlo's Favorite
9 Fifth Method - The Faro Check

10 Mechanical Estimation Effects
11 The Magic Card
12 "Think I'll Stop Here"
13 Chosen Card Count Down
14 The Tipoff
15 Reversed Card Out

16 Part II Natural Estimation
16 Side Riffle Estimation
17 Pull Down Estimation
18 Back End Riffle Estimation
19 The Cut Estimate
20 Visual Retention Estimate
20 Fingertip Riffle Peek Estimation
21 The Sudden Stop
22 The Fan Spread Estimate
23 Estimation Demonstration or Practice
24 Packet Estimation
24 Key Card Plus Estimation: 12 methods
34 Estimation and the Glimpse
35 Color Eliminator
36 Color Eliminator Effect
38 Marlo's Order Cull
40 Five Card Order Cull

42 Effects
42 Fingertip Location
42 Triple Estimation Peek
44 Triple Estimation Peek Method Two
45 Miracle Estimation Peek
46 A Three Locator
47 15-K-ll Speller
49 Mental Spell
50 7-5-2
51 X-Ray Spelling
51 Fingertip Face Up Locator
52 Double Peek Face Up Locators
53 Spin Cut Stunner
54 Sudden Stop Effect: 4 methods
55 Mental Stab
57 Super Mental Stab
59 Miracle Card Stab Location
60 Marlo's Favorite Out
62 Sensitive Fingers
64 A Marlo Miracle
65 Marlo Miracle "Stop" Stab
69 Miracle Coincidence Toss
70 The Magic Throw #1
71 Magic Throw #2
72 Magic Throw #3
73 Face Up Finder (Carmen D'Amico)
74 Sure Throw #1
75 Sure Throw #2 and #3
75 Sure Throw #4
76 D'Amico's Latest Method
77 Marlo's Suggestion
78 The Dribble Stop
79 The Dribbling Spectator