| Issue | #171 |
| Published | June 1967 |
| Frequency | monthly with the exception of January, July and October |
| Cover Price | 0.12 USD |
| Pages | 36 |
| Editing | Julius Schwartz |
| Characters | Flash [Barry Allen] |
| Genre | Superhero |
| Pencils | Carmine Infantino (signed) |
| Inks | Murphy Anderson (signed) |
| Notes | Credits for pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics (Added by Greg Fischer, October 2007). |
| Characters | Flash [Barry Allen]; Dr. Light [Arthur Light; Green Ghost] (villain); Iris Allen; Dexter Miles; Charley Perkins; Justice League of America [Wonder Woman; Green Lantern [Hal Jordan]; J'onn J'onzz; Green Arrow [Oliver Queen]; Atom [Ray Palmer]] (flashback cameo); police laboratory assistants; Elizabeth Perkins; Mrs. Perkins |
| Synopsis | Dr. Light has mastered a method of using light as disguise, which allows him to battle Flash disguised as the Green Ghost, a spider, Dexter Miles, and even a pile of jewels. |
| Genre | Superhero |
| Script | Gardner Fox |
| Pencils | Carmine Infantino |
| Inks | Sid Greene |
| Notes | References Justice League of America #12, The Atom #8, and Green Lantern #33. |
| Characters | Scooter; Professor Kootchy-Koo Caramba |
| Notes | Advertisement for Swing With Scooter #7, showing cover. Appears at bottom of story page 6. |
| Characters | GI Joe |
| Letters | typeset |
| Notes | Ad for GI Joe Frogman and Sea Sled set from Hasbro. Appears between pages 6-7 of story sequence. |
| Letters | typeset |
| Notes | Letters from: L. L. Simpson; Charles Prudence; Robert Jennings; Mark Evanier; David Swift, with no replies. Appears between pages 6-7 of story sequence. |
| Characters | Justice League of America [Wonder Woman; Batman; Flash [Barry Allen]; Martian Mahunter [J'onn J'onzz]; The Atom]; The Royal Flush Gang; Superman; Hercules |
| Letters | typeset |
| Notes | Information on upcoming DC Comics with two illustrations (one from cover of Justice League of America #54). Appears between pages 6-7 of story sequence. |
| Characters | Superman [Clark Kent] |
| Pencils | Curt Swan |
| Inks | George Klein ? |
| Notes | House ad for Superman 197 (80 Page Giant G-36), showing cover. Appears between pages 6-7 of story sequence. |
| Letters | typeset |
| Notes | Ad for 116 toy airplanes from unnamed company in Rockville Centre, NY. On bottom of page 16 of story . |
| Letters | typeset |
| Notes | Letters regarding Flash #167, from : Bruce Powers; Rick Conley; Don Markstein; Joseph Arul; Cary Bates; Kenneth Price; Robert Jennings; Bill Ray, with no replies. Appears between pages 16-17 of story sequence. |
| Characters | The Spectre; The Flash [Barry Allen] |
| Genre | superhero |
| Notes | House ad for The Brave and The Bold #72, showing cover. Appears between pages 16-17 of story sequence. |
| Synopsis | One boy shows another how to safely dust his models using a small paintbrush. |
| Genre | fact |
| Script | Henry Boltinoff |
| Pencils | Henry Boltinoff |
| Inks | Henry Boltinoff |
| Letters | Henry Boltinoff |
| Notes | Idea is from Keith O'Camb. Appears between pages 16-17 of story sequence. |
| Letters | typeset |
| Notes | Ad for Aurora's 1967 model catalog, from Aurora Plastics Corp. Appears between pages 16-17 of story sequence. |
| Letters | ?; typeset |
| Notes | Ad for Mighty Muscles body building book. Appears between pages 18-19 of story sequence. |
| Characters | Superman |
| Notes | Ad for Palisades Amusement Park. Appears on bottom half of last story page. |
| Letters | typeset |
| Notes | Ad for Tank Trap toy from Helen of Toy, Co. |