| 001 | 2025032161 245541 | |
| 003 | IlJaBTS | |
| 005 | 20260615153336.0 | |
| 008 | 260519s2026 nyua b 000 1 eng | |
| 010 | a| 2025032161 | |
| 020 | a|9781665989459 (pbk.) | |
| 020 | a|1665989459 (pbk.) | |
| 040 | a|DLC b|eng c|IlJaBTS d|IlJaBTS | |
| 050 | a|PZ7.C83393 b|Hqh 2026 | |
| 082 | 4 | a|[Fic] 2|23/eng/20260106 |
| 100 | 1 | a|Coven, Wanda. |
| 245 | 1 | a|Henry Heckelbeck goes undercover / c|by Wanda Coven ; illustrated by Priscilla Burris. |
| 250 | a|1st Little Simon paperback ed. | |
| 260 | a|New York : b|Little Simon, c|c2026. | |
| 300 | a|118 p. : b|ill. ; c|19 cm | |
| 490 | 1 | a|Henry Heckelbeck ; v|#20 |
| 520 | a|Henry Heckelbeck's spy senses kick into full gear when he sees his school principal lurking inside a comic book store. It's odd enough to run into your principal outside of school, but when he's also acting suspiciously, Henry knows he has to get to the bottom of it and crack the case. And he's going to need a disguise or two to figure it out! | |
| 521 | 1 | a|005-009 b|BTSB. |
| 521 | a|Grades K-1 b|Little Simon | |
| 650 | 7 | a|Mystery fiction. 2|sears |
| 650 | 1 | a|Mystery and detective stories. |
| 650 | 7 | a|Disguise v|Fiction. 2|sears |
| 650 | 1 | a|Disguise v|Fiction. |
| 650 | 7 | a|School superintendents and principals v|Fiction. 2|sears |
| 650 | 1 | a|School principals v|Fiction. |
| 655 | 7 | a|Detective and mystery fiction. 2|lcgft |
| 655 | 7 | a|Readers (Publications) 2|lcgft |
| 655 | 7 | a|Humorous fiction. 2|lcgft |
| 655 | 7 | c|JUV045000 a|FICTION / Readers / Chapter Books. 2|bisacsh |
| 655 | 7 | c|JUV028000 a|FICTION / Mysteries & Detective Stories. 2|bisacsh |
| 655 | 7 | c|JUV019000 a|FICTION / Humorous Stories. 2|bisacsh |
| 700 | 1 | a|Burris, Priscilla, e|ill. |
| 800 | 1 | a|Coven, Wanda. t|Henry Heckelbeck ; v|#20. |
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